Cuckoo vs. Roadrunner

Cuckoo and Roadrunner Definitions
Cuckoo
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.
Roadrunner
Either of two swift-running, ground-dwelling birds (Geococcyx californianus or G. velox) of North and Central America, having streaked brownish plumage, a brown and black crest, and a long tail. Also called chaparral cock.
Cuckoo
Any of various other birds of the family Cuculidae.
Roadrunner
Either of two species of fast-running bird in the genus Geococcyx of the cuckoo family native to North and Central America, the lesser roadrunner (Geococcyx velox) and, especially, the greater roadrunner (Geococcyx californianus).
Cuckoo
The call or cry of one of these birds.
Roadrunner
Speedy largely terrestrial bird found from California and Mexico to Texas
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Cuckoo
(Slang) A foolish or crazy person.
Cuckoo
To repeat incessantly, as a cuckoo does its call.
Cuckoo
Lacking in sense; foolish or crazy.
Cuckoo
Any of various birds, of the family Cuculidae, famous for laying its eggs in the nests of other species; but especially a common cuckoo (Cuculus canorus), that has a characteristic two-note call.
Cuckoo
The sound of that particular bird.
Cuckoo
The bird-shaped figure found in cuckoo clocks.
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Cuckoo
The cuckoo clock itself.
Cuckoo
A person who inveigles themselves into a place where they should not be (used especially in the phrase a cuckoo in the nest).
Cuckoo
(slang) Someone who is crazy.
Cuckoo
To make the call of a cuckoo.
Cuckoo
To repeat something incessantly. en
Cuckoo
(slang) Crazy; not sane.
I think I'm going cuckoo!
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Cuckoo
A bird belonging to Cuculus, Coccyzus, and several allied genera, of many species.
Cuckoo
A man who is a stupid incompetent fool
Cuckoo
Any of numerous European and North American birds having pointed wings and a long tail
Cuckoo
Repeat monotonously, like a cuckoo repeats his call