- 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 tree2: the leaves of an oak used as decoration
—
oak·en
\ˈō-kən\ adjective