A stalk is a long, vertical stem or connecting part of a plant. When you eat celery, do you like the inner stalks, which are paler and more tender, or the tough outer ones?

As a verb, stalk means to walk stiffly or angrily. If someone insults you, you might stalk from the room and refuse to listen to another word. When hunting, an animal stalks its prey — it follows its quarry stealthily until it's time to pounce. Similarly, if a person stalks you, they follow and watch you. It is very threatening and frightening to the one who is being stalked, and the police should be called.

Definitions of stalk
  1. noun
    a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
    synonyms: stem
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    the stalk of a pistil that raises it above the receptacle
    a slender stalk that furnishes an axis for a carpel
    corn stalk, cornstalk
    the stalk of a corn plant
    the stalk of a stamen
    funicle, funiculus
    the stalk of a plant ovule or seed
    the stalk of a leaflet
    a strong slender often flexible stem as of bamboos, reeds, rattans, or sugar cane
    stalk bearing one or more sporangia
    cutting, slip
    a part (sometimes a root or leaf or bud) removed from a plant to propagate a new plant through rooting or grafting
    a fleshy underground stem or root serving for reproductive and food storage
    rhizome, rootstalk, rootstock
    a horizontal plant stem with shoots above and roots below serving as a reproductive structure
    the main stem or central part about which plant organs or plant parts such as branches are arranged
    woody stem of palms and tree ferns
    stem of a bean plant
    cladode, cladophyll, phylloclad, phylloclade
    a flattened stem resembling and functioning as a leaf
    caudex, stock
    persistent thickened stem of a herbaceous perennial plant
    supporting stalk or stem-like structure especially of a pistil or fern frond or supporting a mushroom cap
    flower stalk, scape
    erect leafless flower stalk growing directly from the ground as in a tulip
    leafstalk, petiole
    the slender stem that supports the blade of a leaf
    a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
    solid swollen underground bulb-shaped stem or stem base and serving as a reproductive structure
    a division of a stem, or secondary stem arising from the main stem of a plant
    stem of plants of the Gramineae
    halm, haulm
    stems of beans and peas and potatoes and grasses collectively as used for thatching and bedding
    bole, tree trunk, trunk
    the main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber
    water chestnut
    edible bulbous tuber of a Chinese marsh plant
    groundnut, potato bean, wild bean
    nutlike tuber; important food of Native Americans
    Jerusalem artichoke
    edible tuber of the Jerusalem artichoke
    edible tuber of any of several yams
    sugar cane, sugarcane
    juicy canes whose sap is a source of molasses and commercial sugar; fresh canes are sometimes chewed for the juice
    rattan, rattan cane
    the stem of various climbing palms of the genus Calamus and related genera used to make wickerwork and furniture and canes
    stem of the rattan palm used for making canes and umbrella handles
    the bulb of an onion plant
    aggregate bulb of the multiplier onion
    bulb of the sea squill, which is sliced, dried, and used as an expectorant
    cuttings of plants set in the ground to grow as hawthorn for hedges or vines
    axis of a compound leaf or compound inflorescence
    an expanded petiole taking on the function of a leaf blade
    stalk bearing an inflorescence or solitary flower
    the fleshy axis of a spike often surrounded by a spathe
    bulbil, bulblet
    small bulb or bulb-shaped growth arising from the leaf axil or in the place of flowers
    a branch or a part of a tree that is dead
    limb, tree branch
    any of the main branches arising from the trunk or a bough of a tree
    branchlet, sprig, twig
    a small branch or division of a branch (especially a terminal division); usually applied to branches of the current or preceding year
    type of:
    plant organ
    a functional and structural unit of a plant or fungus
  2. noun
    material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds
    synonyms: chaff, husk, shuck, straw, stubble
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    broken husks of the seeds of cereal grains that are separated from the flour by sifting
    type of:
    plant material, plant substance
    material derived from plants
  3. noun
    a stiff or threatening gait
    synonyms: angry walk
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    type of:
    a person's manner of walking
  4. noun
    a hunt for game carried on by following it stealthily or waiting in ambush
    synonyms: stalking, still hunt
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    stalking deer
    type of:
    hunt, hunting
    the work of finding and killing or capturing animals for food or pelts
  5. noun
    the act of following prey stealthily
    synonyms: stalking
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    type of:
    chase, following, pursual, pursuit
    the act of pursuing in an effort to overtake or capture
  6. verb
    walk stiffly
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    type of:
    use one's feet to advance; advance by steps
  7. verb
    go through (an area) in search of prey
    stalk the woods for deer”
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    type of:
    follow, pursue
    follow in or as if in pursuit
  8. verb
    recur constantly and spontaneously to
    synonyms: haunt
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    type of:
    follow, pursue
    follow in or as if in pursuit
  9. verb
    watch, follow, or harass someone in an obsessive way
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    type of:
    follow, surveil, survey
    keep under surveillance
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