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rooster

American  
[roo-ster] / ˈru stər /

noun

  1. the male of domestic fowl and certain game birds; cock.

  2. a representation of this bird, used as an emblem of the Democratic Party from 1842 to 1874.

  3. Informal. a cocky person.

rooster British  
/ ˈruːstə /

noun

  1. the male of the domestic fowl; a cock

"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 rooster

First recorded in 1765–75; roost + -er 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.