| cork oak | |
| —n | |
| Also called: cork tree an evergreen Mediterranean oak tree, Quercus suber, with a porous outer bark from which cork is obtained | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |