cork

Cork is a lightweight material made from the bark of a particular kind of oak tree. Cork is used in all sorts of ways, from flooring to fishing rod handles to bulletin boards.

When cork bark is harvested from a cork oak tree, it doesn't harm the tree itself — this quality is part of what makes cork a useful, renewable material. It shows up in shoes, insulation, wall tiles, and badminton shuttlecocks, as well as bottle stoppers, which are also called corks. The word is from the Spanish alcorque, "cork-soled sandal," which ultimately comes from the Latin name for the cork oak tree, quercus.

Definitions of cork
  1. noun
    outer bark of the cork oak; used for stoppers for bottles etc.
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    type of:
    bark
    tough protective covering of the woody stems and roots of trees and other woody plants
    plant material, plant substance
    material derived from plants
  2. noun
    (botany) outer tissue of bark; a protective layer of dead cells
    synonyms: phellem
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    type of:
    bark
    tough protective covering of the woody stems and roots of trees and other woody plants
  3. verb
    stuff with cork
    “The baseball player stuffed his bat with cork to make it lighter”
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    type of:
    stuff
    fill tightly with a material
  4. noun
    the plug in the mouth of a bottle (especially a wine bottle)
    synonyms: bottle cork
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    type of:
    plug, stopper, stopple
    blockage consisting of an object designed to fill a hole tightly
  5. verb
    close a bottle with a cork
    synonyms: cork up
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    Antonyms:
    uncork
    draw the cork from (bottles)
    type of:
    plug, secure, stop up
    fill or close tightly with or as if with a plug
  6. noun
    a small float usually made of cork; attached to a fishing line
    synonyms: bob, bobber, bobfloat
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    type of:
    float
    something that floats on the surface of water
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