n.
Pronunciation: ' ko ̇ rk
Function: 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