acorn









acorn


noun

  1. the typically ovoid fruit or nut of an oak, enclosed at the base by a cupule.
  2. a finial or knop, as on a piece of furniture, in the form of an acorn.

noun

  1. the fruit of an oak tree, consisting of a smooth thick-walled nut in a woody scaly cuplike base
n.

Old English æcern “nut,” common Germanic (cf. Old Norse akarn, Dutch aker, Low German ecker “acorn,” German Ecker, Gothic akran “fruit”), originally the mast of any forest tree, and ultimately related (via notion of “fruit of the open or unenclosed land”) to Old English æcer “open land,” Gothic akrs “field,” Old French aigrun “fruits and vegetables” (from a Germanic source); see acre.

The sense gradually restricted in Low German, Scandinavian, and English to the most important of the forest produce for feeding swine, the mast of the oak tree. Spelling changed 15c.-16c. by folk etymology association with oak (Old English ac) and corn (n.1).

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