plural oaks or oak
Definition of oak
1a
: 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
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Merriam-Webster unabridged
Share oak
Time Traveler for oak
The first known use of oak was before the 12th century
See more words from the same century