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cuckoo

[koo-koo, koo k-oo] /ˈku ku, ˈkʊk u/
noun, plural cuckoos.
1.
a common European bird, Cuculus canorus, of the family Cuculidae, noted for its characteristic call and its brood parasitism.
2.
any of several other birds of the family Cuculidae.
3.
the call of the cuckoo, or an imitation of it.
4.
Slang. a crazy, silly, or foolish person; simpleton.
verb (used without object), cuckooed, cuckooing.
5.
to utter the call of the cuckoo or an imitation of it.
verb (used with object), cuckooed, cuckooing.
6.
to repeat monotonously.
adjective
7.
Slang. crazy; silly; foolish.
8.
of, relating to, or like a cuckoo.
Origin
1200-1250
1200-50; Middle English cuc(c)u, cuccuk(e) (imitative); compare Latin cucūlus, French coucou, German Kuckuk, Dutch koekoek, Modern Greek koûko
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for cuckoo
  • If one thinks that they as human beings are likely to follow this advice when you don't anyway one is living in cloud cuckoo land.
  • Cloud computing is no longer a cloud cuckoo-land full of vaporware.
  • The city crammed with enough cuckoo clocks to test your nerves is finally up-to-the-minute too.
  • cuckoo clocks, no matter when they chime, are almost always ominous.
  • cuckoo genera differ in the number of primary wing feathers as below.
British Dictionary definitions for cuckoo

cuckoo

/ˈkʊkuː/
noun (pl) -oos
1.
any bird of the family Cuculidae, having pointed wings, a long tail, and zygodactyl feet: order Cuculiformes. Many species, including the European cuckoo (Cuculus canorus), lay their eggs in the nests of other birds and have a two-note call
2.
(informal) an insane or foolish person
adjective
3.
(informal) insane or foolish
interjection
4.
an imitation or representation of the call of a cuckoo
verb -oos, -ooing, -ooed
5.
(transitive) to repeat over and over
6.
(intransitive) to make the sound imitated by the word cuckoo
Word Origin
C13: from Old French cucu, of imitative origin; related to German kuckuck, Latin cucūlus, Greek kokkux
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
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Word Origin and History for cuckoo
n.

mid-13c., from Old French cocu "cuckoo," also "cuckold," echoic of the male bird's mating cry (cf. Greek kokkyx, Latin cuculus, Middle Irish cuach, Sanskrit kokilas). Slang sense of "crazy" (adj.) is American English, 1918, but noun meaning "stupid person" is first recorded 1580s, perhaps from the bird's unvarying, oft-repeated call. The Old English name was geac, cognate with Old Norse gaukr, source of Scottish and northern English gowk. The Germanic words presumably originally were echoic, too, but had drifted in form. Cuckoo clock is from 1789.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for cuckoo

cuckoo

adjective

Crazy; very eccentric; nutty: Where do you get these cuckoo ideas? (1918+)

noun

A crazy or eccentric person (1581+)

[perhaps because of the bird's monotonous, silly-sounding call]


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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cuckoo in the Bible

(Heb. shahaph), from a root meaning "to be lean; slender." This bird is mentioned only in Lev. 11:16 and Deut. 14:15 (R.V., "seamew"). Some have interpreted the Hebrew word by "petrel" or "shearwater" (Puffinus cinereus), which is found on the coast of Syria; others think it denotes the "sea-gull" or "seamew." The common cuckoo (Cuculus canorus) feeds on reptiles and large insects. It is found in Asia and Africa as well as in Europe. It only passes the winter in Palestine. The Arabs suppose it to utter the cry _Yakub_, and hence they call it _tir el-Yakub_; i.e., "Jacob's bird."

Easton's 1897 Bible Dictionary
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Idioms and Phrases with cuckoo

cuckoo

The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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