I. ˈkȯrk noun
Etymology: Middle English, cork, bark, probably from Middle Dutch * kurk or Middle Low German korck, from Old Spanish alcorque, ultimately from dialect Arabic qurq, from Latin quercus oak — more at fir
Date: 14th century
1.
a. : the elastic tough outer tissue of the cork oak that is used especially for stoppers and insulation
b. : phellem
2. : a usually cork stopper for a bottle or jug
3. : a fishing float
II. transitive verb
Date: 1535
1. : to furnish or fit with cork or a cork
2. : to stop up with a cork
cork a bottle
3. : to blacken with burnt cork
cork ed faces