an enclosure, cage, or pen, usually with bars or wires, in which fowls or other small animals are confined for fattening, transportation, etc.
any small or narrow place.
Slang. a prison.
Sometimes Facetious. a cooperative, especially the cooperative bookstore of a college or university.
verb (used with object)
to place in or as if in a coop; confine narrowly (often followed by up or in).
verb (used without object)
Slang. (of a police officer) to park and sleep inside one's patrol car while on duty.
fly the coop, Informal. to run off; depart abruptly; escape: We stopped to see my sister, but she'd flown the coop.
Origin of coop
1250–1300; Middle English coupe basket, perhaps < Scandinavian; compare Norwegian kaup wooden can; akin to Old English cȳpa basketRelated formsun·coop, verb (used with object)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for fly the coopquit
British Dictionary definitions for fly the coop
a cage or small enclosure for poultry or small animals
a small narrow place of confinement, esp a prison cell
a wicker basket for catching fish
(tr; often foll by up or in) to confine in a restricted area
Word Origin for coop
C15: probably from Middle Low German kūpe basket, tub; related to Latin cūpa cask, vat
a cooperative, cooperative society, or shop run by a cooperative society
the internet domain name for
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
Word Origin and History for fly the coop
"small cage for poultry," mid-14c., from Old English cype, cypa "basket, cask," akin to Middle Dutch kupe, Swedish kupa, and all probably from Latin cupa "tub, cask," from PIE *keup- "hollow mound" (see cup (n.)).
1560s, from coop (n.). Related: Cooped; cooping.
Online Etymology Dictionary, © 2010 Douglas Harper
To get away or escape: “The Hendersons found the cocktail party rather dull and decided to fly the coop.”
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with fly the coop
Escape, run away, as in After years of fighting with my mother, my father finally flew the coop. This term originally meant “escape from jail,” known as the coop in underworld slang since the late 1700s. [Late 1800s]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.