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cauliflower

American  
[kaw-luh-flou-er, -lee-, kol-uh-, kol-ee-] / ˈkɔ ləˌflaʊ ər, -li-, ˈkɒl ə-, ˈkɒl i- /

noun

  1. a form of cultivated plant, Brassica oleracea botrytis, of the mustard family, whose inflorescence forms a compact, usually whitish head.

  2. this head, used as a vegetable.


cauliflower British  
/ ˈkɒlɪˌflaʊə /

noun

  1. a variety of cabbage, Brassica oleracea botrytis, having a large edible head of crowded white flowers on a very short thick stem

  2. the flower head of this plant, used as a vegetable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of cauliflower

1590–1600; < Latin cauli ( s ) cole + flower; replacing coleflorie < Italian ca ( v ) olfiore, equivalent to cavol cole + fiore < Latin flōri- (stem of flōs ) flower