A legume is not your regular type of fruit; it's more like a pod. Peas, beans, and peanuts are all examples of legumes.

A legume is a type of food that comes from a specific type of plant that is also called a legume. Legumes come from the family Leguminosae, and a trait all legumes share is that they grow in a type of pod. A bowl of pea soup is full of legumes, and so is a bag of peanuts. Lentils, soy, and clover are all legumes. Legumes are high in protein and not very fatty, so they are generally considered healthy.

Definitions of legume
  1. noun
    an erect or climbing bean or pea plant of the family Leguminosae
    synonyms: leguminous plant
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    Arachis hypogaea, peanut, peanut vine
    widely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground
    Cicer arietinum, Egyptian pea, chickpea, chickpea plant
    Asiatic herb cultivated for its short pods with one or two edible seeds
    Cyamopsis psoraloides, Cyamopsis tetragonolobus, cluster bean, guar
    drought-tolerant herb grown for forage and for its seed which yield a gum used as a thickening agent or sizing material
    Glycine max, soja, soja bean, soy, soya, soya bean, soybean, soybean plant
    erect bushy hairy annual herb having trifoliate leaves and purple to pink flowers; extensively cultivated for food and forage and soil improvement but especially for its nutritious oil-rich seeds; native to Asia
    wild pea
    any of various plants of the family Leguminosae that usually grow like vines
    Lens culinaris, lentil, lentil plant
    widely cultivated Eurasian annual herb grown for its edible flattened seeds that are cooked like peas and also ground into meal and for its leafy stalks that are used as fodder
    Dolichos biflorus, Macrotyloma uniflorum, horse grain, horse gram, poor man's pulse
    twining herb of Old World tropics cultivated in India for food and fodder; sometimes placed in genus Dolichos
    crazy weed, crazyweed, locoweed
    any of several leguminous plants of western North America causing locoism in livestock
    bean, bean plant
    any of various leguminous plants grown for their edible seeds and pods
    pea, pea plant
    a leguminous plant of the genus Pisum with small white flowers and long green pods containing edible green seeds
    any of various plants of the genus Sesbania having pinnate leaves and large showy pea-like flowers
    any of various climbing plants of the genus Vicia having pinnately compound leaves that terminate in tendrils and small variously colored flowers; includes valuable forage and soil-building plants
    Phaseolus aconitifolius, Vigna aconitifolia, moth bean
    East Indian legume having hairy foliage and small yellow flowers followed by cylindrical pods; used especially in India for food and forage and as a soil conditioner; sometimes placed in genus Phaseolus
    Phaseolus angularis, Vigna angularis, adsuki bean, adzuki bean
    bushy annual widely grown in China and Japan for the flour made from its seeds
    Phaseolus caracalla, Vigna caracalla, corkscrew flower, snail bean, snail flower, snail-flower, snailflower
    perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus Phaseolus
    Phaseolus aureus, Vigna radiata, golden gram, green gram, mung, mung bean
    erect bushy annual widely cultivated in warm regions of India and Indonesia and United States for forage and especially its edible seeds; chief source of bean sprouts used in Chinese cookery; sometimes placed in genus Phaseolus
    Vigna sinensis, Vigna unguiculata, black-eyed pea, cowpea, cowpea plant
    sprawling Old World annual cultivated especially in southern United States for food and forage and green manure
    Vigna sesquipedalis, Vigna unguiculata sesquipedalis, asparagus bean, yard-long bean
    South American bean having very long succulent pods
    Caley pea, Lathyrus hirsutus, rough pea, singletary pea, wild winterpea
    a weak-stemmed winter annual native to Mediterranean region for long established in southern United States; cultivated as a cover and pasture crop
    Lathyrus japonicus, Lathyrus maritimus, beach pea, sea pea
    wild pea of seashores of north temperate zone having tough roots and purple flowers and useful as a sand binder
    Lathyrus palustris, marsh pea
    scrambling perennial of damp or marshy areas of Eurasia and North America with purplish flowers
    Lathyrus pratensis, common vetchling, meadow pea, yellow vetchling
    scrambling perennial Eurasian wild pea having yellowish flowers and compressed seed pods; cultivated for forage
    Lathyrus splendens, pride of California
    shrubby California perennial having large pink or violet flowers; cultivated as an ornamental
    Lalthyrus tingitanus, Tangier pea, Tangier peavine
    North African annual resembling the sweet pea having showy but odorless flowers
    Oxytropis lambertii, purple loco, purple locoweed
    tufted locoweed of southwestern United States having purple or pink to white flowers
    bush bean
    a bean plant whose bushy growth needs no supports
    pole bean
    a climbing bean plant that will climb a wall or tree or trellis
    shell bean, shell bean plant
    a bean plant grown primarily for its edible seed rather than its pod
    Pisum sativum, common pea, garden pea, garden pea plant
    plant producing peas usually eaten fresh rather than dried
    Pisum sativum macrocarpon, edible-pod pea, edible-podded pea
    a variety of pea plant producing peas having soft thick edible pods lacking the fibrous inner lining of the common pea
    Austrian winter pea, Pisum arvense, Pisum sativum arvense, field pea, field-pea plant
    variety of pea plant native to the Mediterranean region and North Africa and widely grown especially for forage
    Colorado River hemp, Sesbania exaltata
    tall-growing annual of southwestern United States widely grown as green manure; yields a strong tough bast fiber formerly used by Indians for cordage
    any of several weedy vetches grown for forage
    Calnada pea, Vicia cracca, bird vetch, tufted vetch
    common perennial climber of temperate regions of Eurasia and North America having dense elongate clusters of flowers
    Vicia orobus, bitter betch
    European perennial toxic vetch
    Vicia sativa, spring vetch
    herbaceous climbing plant valuable as fodder and for soil-building
    Vicia sepium, bush vetch
    European purple-flowered with slender stems; occurs as a weed in hedges
    type of:
    herb, herbaceous plant
    a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
    a vine or climbing plant that readily grows up a support or over other plants
  2. noun
    the fruit or seed of any of various bean or pea plants consisting of a case that splits along both sides when ripe and having the seeds attach to one side of the case
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    chickpea, garbanzo
    the seed of the chickpea plant
    the fruit or seed of a lentil plant
    the fruit or seed of a pea plant
    field pea
    seed of the field pea plant
    black-eyed pea, cowpea
    fruit or seed of the cowpea plant
    garden pea
    the flattened to cylindric inflated multi-seeded fruit of the common pea plant
    type of:
    pod, seedpod
    a several-seeded dehiscent fruit as e.g. of a leguminous plant
  3. noun
    the seedpod of a leguminous plant (such as peas, beans, or lentils)
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    edible seeds of various pod-bearing plants (peas or beans or lentils etc.)
    bean, edible bean
    any of various edible seeds of plants of the family Leguminosae used for food
    round flat seed of the lentil plant used for food
    seed of a pea plant used for food
    chickpea, garbanzo
    large white roundish Asiatic legume; usually dried
    black-eyed pea, cowpea
    eaten fresh as shell beans or dried
    goa bean
    Old World tropical bean
    garden pea, green pea
    fresh pea
    marrowfat pea
    a variety of large pea that is commonly processed and sold in cans
    cajan pea, dahl, pigeon pea
    small highly nutritious seed of the tropical pigeon-pea plant
    field pea
    coarse small-seeded pea often used as food when young and tender
    common bean
    any of numerous beans eaten either fresh or dried
    soy, soya, soya bean, soybean
    the most highly proteinaceous vegetable known; the fruit of the soybean plant is used in a variety of foods and as fodder (especially as a replacement for animal protein)
    type of:
    veg, vegetable, veggie
    edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant
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