from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A grayish European bird (Cuculus canorus) that has a characteristic two-note call and lays its eggs in the nests of birds of other species.
- n. Any of various related birds of the family Cuculidae, having grayish-brown plumage and a slender body.
- n. The call or cry of one of these birds.
- n. Slang A foolish or crazy person.
- transitive v. To repeat incessantly, as a cuckoo does its call.
- adj. Slang Lacking in sense; foolish or crazy.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Crazy; not sane.
- n. Any of various birds, of the family Cuculidae (from Latin cuculus ("cuckoo")), famous for laying its eggs in the nests of other species; but especially the common cuckoo, Cuculus canorus, that has a characteristic two-note call
- n. The sound of that particular bird.
- n. The bird shaped figure found in Swiss/German clocks (cuckoo clocks) or the clock itself.
- n. Someone found where they shouldn't be (used especially in the phrase 'A cuckoo in the nest'.)
- n. Someone who is crazy.
- v. To make the call of a cuckoo
- v. To repeat something incessantly
from the GNU version of the Collaborative International Dictionary of English
- n. A bird belonging to Cuculus, Coccyzus, and several allied genera, of many species.
from The Century Dictionary and Cyclopedia
- n. A bird of the family Cuculidœ, and especially of the subfamily Cuculinœ or genus Cuculus: so called from its characteristic note.
- n. A simpleton; a fool: used in jest or contempt, like the ultimately related gowk.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of numerous European and North American birds having pointed wings and a long tail
- v. repeat monotonously, like a cuckoo repeats his call
- n. a man who is a stupid incompetent fool
Middle English cuccu, of imitative origin.(American Heritage® Dictionary of the English Language, Fourth Edition)