Main Entry: oak

Pronunciation: \ˈōk\

Function: noun

Inflected Form(s): plural oaks or oak

Usage: often attributive

Etymology: Middle English ook, from Old English āc; akin to Old High German eih oak and perhaps to Greek aigilōps, a kind of oak

Date: before 12th century

1 a : any of a genus (Quercus) of trees or shrubs of the beech family that produce acorns; also : any of various plants related to or resembling the oaks b : the tough hard durable wood of an oak tree
2 : the leaves of an oak used as decoration

— oak·en \ˈō-kən\ adjective

[oak illustration]