cork Definition

cork
noun

1. bot.
A layer of tissue that forms below the epidermis in the stems and roots of woody plants, eg trees, which is often cultivated for commercial use.
2. A piece of this used as a stopper for a bottle, etc.

verb corked, corking

1. To stop up (a bottle, etc) with a cork.
2. To suppress (one's feelings, etc).

Derivative: corkiness
noun

Derivative: corky
adj

Etymology: 14c: from Arabic qurq, from Latin quercus oak.

Phrasal Verb: cork up

To be quiet.