oak
oak
noun
/əʊk/
1 countable, uncountable (also oak tree countable) a large tree that produces small nuts called acorns. Oaks are common in northern countries and can live to be hundreds of years old.
The forest is famous for its ancient oak trees.
a gnarled old oak tree
forests of oak and pine
The oaks were planted in the 16th century.
see also poison oak
Topics Plants and trees C1
2 ​uncountable the hard wood of the oak tree
oak beams
This table is made of solid oak.
chairs of polished oak
Idioms
great/tall oaks from little acorns grow
Word Origin
Old English āc, of Germanic origin; related to Dutch eik and German Eiche.