Definitions of chestnut
  1. noun
    any of several attractive deciduous trees yellow-brown in autumn; yield a hard wood and edible nuts in a prickly bur
    synonyms: chestnut tree
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    American chestnut, American sweet chestnut, Castanea dentata
    large tree found from Maine to Alabama
    Castanea sativa, European chestnut, Spanish chestnut, sweet chestnut
    wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia
    Castanea mollissima, Chinese chestnut
    a small tree with small sweet nuts; wild or naturalized in Korea and China
    Castanea crenata, Japanese chestnut
    a spreading tree of Japan that has a short trunk
    Allegheny chinkapin, Castanea pumila, chinquapin, dwarf chestnut, eastern chinquapin
    shrubby chestnut tree of southeastern United States having small edible nuts
    Castanea ozarkensis, Ozark chinkapin, Ozark chinquapin, chinquapin
    shrubby tree closely related to the Allegheny chinkapin but with larger leaves; southern midwestern United States
    type of:
    a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
  2. noun
    wood of any of various chestnut trees of the genus Castanea
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    type of:
    the hard fibrous lignified substance under the bark of trees
  3. noun
    edible nut of any of various chestnut trees of the genus Castanea
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    type of:
    edible nut
    a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell
  4. noun
    the brown color of chestnuts
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    type of:
    brown, brownness
    an orange of low brightness and saturation
  5. noun
    a dark golden-brown or reddish-brown horse
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    type of:
    Equus caballus, horse
    solid-hoofed herbivorous quadruped domesticated since prehistoric times
  6. adjective
    (of hair or feathers) of a golden brown to reddish brown color
    “a chestnut horse”
    chestnut hair”
    being, having, or characterized by hue
  7. noun
    a small horny callus on the inner surface of a horse's leg
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    type of:
    bony tissue formed during the healing of a fractured bone
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