cuck·oo (kk, kk)
n. pl. cuck·oos
a. A grayish bird (Cuculus canorus) of Eurasia and Africa that has a characteristic two-note call and lays its eggs in the nests of birds of other species.
b. Any of various other birds of the family Cuculidae.
2. The call or cry of one of these birds.
3. Slang A foolish or crazy person.
tr.v. cuck·ooed, cuck·oo·ing, cuck·oos
To repeat incessantly, as a cuckoo does its call.
Lacking in sense; foolish or crazy.
[Middle English cuccu, of imitative origin.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
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