oak apple
noun Date: 15th century a large round gall produced on oak leaves and twigs by a gall wasp (especially Amphibolips confluenta)

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Oak apple — Oak Oak ([=o]k), n. [OE. oke, ok, ak, AS. [=a]c; akin to D. eik, G. eiche, OHG. eih, Icel. eik, Sw. ek, Dan. eeg.] [1913 Webster] 1. (Bot.) Any tree or shrub of the genus {Quercus}. The oaks have alternate leaves, often variously lobed, and… …   The Collaborative International Dictionary of English

  • oak apple — oak ,apple noun count a lump on an oak tree caused by young insects …   Usage of the words and phrases in modern English

  • oak apple — ► NOUN ▪ a spongy spherical gall which forms on oak trees, caused by wasp larvae …   English terms dictionary

  • oak apple — n. an applelike gall on oak trees …   English World dictionary

  • Oak apple — An oak apple on a tree in Worcestershire, England Oak apple is the common name for a large, round, vaguely apple like gall commonly found on many species of oak. Oak apples range in size from 2 5cm. Oak apples are caused by chemicals injected by… …   Wikipedia

  • oak apple — UK / US noun [countable] Word forms oak apple : singular oak apple plural oak apples a lump on an oak tree caused by young insects …   English dictionary

  • oak apple — oak′ ap ple n. ppa any of various rounded galls produced on oaks. Also called oak′ gall • Etymology: 1400–50 …   From formal English to slang

  • oak apple — noun oak gall Syn: oak gall …   Wiktionary

  • oak apple — See oak gall. [1400 50; late ME] * * * …   Universalium

  • oak apple — noun a spongy spherical gall which forms on oak trees, caused by wasp larvae …   English new terms dictionary

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