cork definition by Webster's New World
- the light, thick, elastic outer bark of an oak tree, the (Quercus suber) of the beech family, that grows in the Mediterranean area: used for floats, stoppers, linoleum, insulation, etc.
- a piece of cork or something made of cork; esp., a stopper for a bottle, cask, etc.
- a similar stopper made of rubber, glass, etc.
- Bot. the dead, waterproof outer bark of the stems of woody plants
Origin: Middle English ; from Spanish corcho, cork, ultimately (via uncertain or unknown; perhaps Arabic al-qurq) ; from Classical Latin quercus, oak: see fir
- to stop or seal with a cork
- to hold back; check
- to blacken with burnt cork
- county on the S coast of Ireland, in Munster province: 2,880 sq mi (7,459 sq km); pop. 283,000
- its county seat, a seaport: pop. 174,000
cork definition by American Heritage Dictionary
- The lightweight elastic outer bark of the cork oak, used especially for bottle closures, insulation, floats, and crafts.
- a. Something made of cork, especially a bottle stopper.b. A bottle stopper made of other material, such as plastic.
- A small float used on a fishing line or net to buoy up the line or net or to indicate when a fish bites.
- Botany A nonliving, water-resistant protective tissue that is formed on the outside of the cork cambium in the woody stems and roots of many seed plants. Also called phellem.
- To stop or seal with or as if with a cork.
- To restrain or check; hold back: tried to cork my anger.
- To blacken with burnt cork.
Origin: Middle English, from Dutch kurk or Low German korck, both from Spanish alcorque, cork-soled shoe, probably from Arabic dialectal al-qūrq : al-, the + qūrq (from Latin quercus, oak; see perkwu- in Indo-European roots).
cork - Phrases/Idioms
blow one's corkâ
cork - Science Definition
- The outermost layer of tissue in woody plants that is resistant to the passage of water vapor and gases and that becomes the bark. Cork is secondary tissue, formed on the outside of the tissue layer known as cork cambium . The cell walls of cork cells contain suberin. Once they mature, cork cells die. Also called phellem.
- The lightweight, elastic outer bark of the cork oak, which grows near the Mediterranean Sea. Cork is used for bottle stoppers, insulation, and other products.