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Definition of oak
oak
/oʊk/
Plural:oaks
•Adjective:oaken
oak Lexical Profile
CEFR
B1
Grade
3
Tier
1
Usage
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Wordle Guess
• noun
1
A large tree or shrub of the beech family (genus Quercus), primarily native to the Northern Hemisphere, known for bearing acorns and typically having lobed leaves.
Example
"The majestic oak in the center of the town square has provided shade for generations of residents."
2
The hard, durable wood of the oak tree, widely used in construction, flooring, and furniture making.
Example
"The antique dining table was crafted from solid oak and polished to a deep shine."
Synonyms
View all synonyms for oak• Rhymes for oak
Word Origin & Etymology
From Old English 'āc', of Germanic origin; related to Dutch 'eik' and German 'Eiche'.
Cite this Entry
Wordmom. (2026). Definition of Oak. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/oak