cork
n. C / Un. a light, tough material that comes from the bark of a specific oak tree. You often see it used as a stopper for wine bottles or for making soft boards to pin notes on.
n. the buoyant, light brown, elastic outer bark of the cork oak tree, Quercus suber. Often used for bottle stoppers, insulation, and flooring; the term also refers to a small float used in angling.
He pulled the cork out of the wine bottle.
The designer chose to use natural cork for the office flooring because it is sustainable and absorbs sound well.
Harvested primarily in Mediterranean regions, the thick bark is stripped from the tree every nine years without causing permanent damage, making cork a highly renewable resource for industrial applications.
From Irish Corcaigh (“bog, marsh, swamp”).
Uncountable when referring to the material; countable when referring to a specific bottle stopper or a fishing float.