Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun oak

2 senses of oak

Sense 1
oak -- (the hard durable wood of any oak; used especially for furniture and flooring)
       => wood -- (the hard fibrous lignified substance under the bark of trees)

Sense 2
oak, oak tree -- (a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns")
       => tree -- (a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms)