Simple Definition of oak
: a type of tree that grows in northern parts of the world and that produces acorns
: the wood of an oak tree
Full Definition of oak
plural oaks or oak
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
Examples of oak in a sentence
Tall oaks line the street.
The table is solid oak.
The cabinets are made of oak.
Origin of oak
Middle English ook, from Old English āc; akin to Old High German eih oak and perhaps to Greek aigilōps, a kind of oak
First Known Use: before 12th century
OAK Defined for Kids
Definition of oak for Students
: a tree or shrub that produces acorns and has tough wood much used for furniture and flooring
Seen and Heard
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