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Definition of acorn

acorn

/ˈeɪ.kɔːrn/
a · corn
Plural:acorns
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acorn Lexical Profile

acorn Game Scores & Validity

• noun

1

The smooth, oval nut or fruit of the oak tree (genus Quercus), enclosed at the base by a woody, scaly cupule and serving as an important food source for wildlife and, after leaching out bitter tannins, in traditional human diets.

Example

"Squirrels spent the entire autumn gathering fallen acorns to bury for the winter months."

Synonyms
View all synonyms for acorn

• Nearby Words

aconcagua
aconcagua river
aconite
acorn
acorn squash
acoustic
acoustical

Word Origin & Etymology

From Old English 'æcern', originally meaning the fruit or mast of any wild forest tree; its modern spelling and restriction to the oak tree arose through folk-etymological association with 'oak' and 'corn' (grain or kernel).

Cite this Entry

Wordmom. (2026). Definition of Acorn. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/acorn
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