Definition

noun

The bark of the cork oak, which is very light and porous and used for making bottle stoppers, flotation devices, and insulation material.
A bottle stopper made from this or any other material.
“Snobs feel it's hard to call it wine with a straight face when the cork is made of plastic.”
An angling float, also traditionally made of oak cork.
The cork oak, Quercus suber.
The dead protective tissue between the bark and cambium in woody plants, with suberin deposits making it impervious to gasses and water.

verb

To seal or stop up, especially with a cork stopper.
To blacken (as) with a burnt cork
To leave the cork in a bottle after attempting to uncork it.
To fill with cork, as the center of a baseball bat.
“He corked his bat, which was discovered when it broke, causing a controversy.”
To injure through a blow; to induce a haematoma.
“The vicious tackle corked his leg.”

noun