acorn nut

acorn nut
(hardware) A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt.

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  • Nut (hardware) — A nut threaded onto a bolt A nut is a type of hardware fastener with a threaded hole. Nuts are almost always used opposite a mating bolt to fasten a stack of parts together. The two partners are kept together by a combination of their threads… …   Wikipedia

  • nut — [nut] n. [ME nutte < OE hnutu, akin to Ger nuss < IE * kneu , lump, nut (< base * ken , to squeeze together) > L nux, MIr cnū] 1. the dry, one seeded fruit of any of various trees or shrubs, consisting of a kernel, often edible, in a… …   English World dictionary

  • Acorn — A corn, n. [AS. [ae]cern, fr. [ae]cer field, acre; akin to D. aker acorn, Ger. ecker, Icel. akarn, Dan. agern, Goth. akran fruit, akrs field; orig. fruit of the field. See {Acre}.] 1. The fruit of the oak, being an oval nut growing in a woody cup …   The Collaborative International Dictionary of English

  • acorn — [ā′kôrn΄] n. [ME akorn < OE æcern, nut, mast of trees; akin to Goth akran, ON akarn < IE base * əg , to grow, fruit: form infl. by assoc. with OE ac, oak + corn, grain] the fruit of the oak tree; an oak nut …   English World dictionary

  • acorn — (n.) O.E. æcern nut, common Germanic (Cf. O.N. akarn, Du. aker, Low Ger. ecker acorn, Ger. Ecker, Goth. akran fruit ), originally the mast of any forest tree, and ultimately related (via notion of fruit of the open or unenclosed land ) to O.E.… …   Etymology dictionary

  • acorn — ► NOUN ▪ the fruit of the oak, a smooth oval nut in a cup like base. ORIGIN Old English, related to ACRE(Cf. ↑acreage), later associated with OAK(Cf. ↑oaky) and CORN(Cf. ↑corn) …   English terms dictionary

  • Acorn — The acorn is the nut of the oak tree (genera Quercus , Lithocarpus and Cyclobalanopsis , in the family Fagaceae). It is a nut, containing a single seed (rarely two seeds), enclosed in a tough, leathery shell, and borne in a cup shaped cupule.… …   Wikipedia

  • nut — I (New American Roget s College Thesaurus) n. kernel, stone, nutmeat; seed, core; slang, eccentric, crank, crackpot (sl.), kook (sl.). See food, insanity. II (Roget s IV) n. 1. [A dry fruit] Syn. seed, kernel, stone, achene, caryopsis, utricle;… …   English dictionary for students

  • acorn — acorned, adj. /ay kawrn, ay keuhrn/, n. 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. [bef. 1000; ME acorne (influenced by CORN), r.… …   Universalium

  • Acorn (disambiguation) — An acorn is a type of nut.Acorn may also refer to: * Acorns Children s Hospice, a children s charity * Milton Acorn (1923–1986), Canadian poet * The Acorn, a Canadian folk music band * Acorn Stores, an American clothing chain company * Acorn… …   Wikipedia

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