- [noun] outer bark of the cork oak; used for stoppers for bottles etc.
- [noun] (botany) outer tissue of bark; a protective layer of dead cells
- [noun] a port city in southern Ireland
- [noun] the plug in the mouth of a bottle (especially a wine bottle)
- [noun] a small float usually made of cork; attached to a fishing line
Synonyms: bob, bobber, bobfloat
- [verb] close a bottle with a cork
- [verb] stuff with cork; "The baseball player stuffed his bat with cork to make it lighter"