Definition of cork:
(adj) :
made from, or consisting of, cork
"look at that cork statue."
(n) :
the bark of the
cork oak, which is very light and porous and is very good for making bottle stoppers and insulation material; a bottle stopper made from this or any
other material
"it is hard to call it wine with a straight-face, when the cork is made of plastic."
(v) :
to
seal or stop up, especially with a cork stopper; to leave the
cork in a bottle after attempting to
uncork it
"he was so loud I told him to cork it."