Acorn meaning

ākôrn, ākərn
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The fruit of an oak, consisting of a single-seeded, thick-walled nut set in a woody, cuplike base.
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The fruit of the oak tree; an oak nut.
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(zoology) See acorn-shell.
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The fruit of the oak, being an oval nut growing in a woody cup or cupule.
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The definition of an acorn is a round nut with a wood-like cap that comes from an oak tree.

An example of an acorn is a nut that a squirrel eats once it has fallen from the oak tree.

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(nautical) A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
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Origin of acorn

  • Middle English akorn from Old English æcern

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English acorne, an alteration (after corn) of earlier akern, from Old English æcern (“acorn, oak-mast”), from Proto-Germanic *akraną, from Proto-Indo-European *h₂ógeh₂- (“berry”). Cognate with Saterland Frisian Äkkene, Flemish aker, Danish agern; and with Irish áirne (“sloe”), Lithuanian úoga, Russian ягода (jágoda, “berry”).

    From Wiktionary