Definitions from Wiktionary ( )

▸ noun:  Any of various birds, of the order Cuculiformes, 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.
▸ noun:  The sound of that particular bird.
▸ noun:  The bird-shaped figure found in cuckoo clocks.
▸ noun:  The cuckoo clock itself.
▸ noun:  A person who inveigles themselves into a place where they should not be (used especially in the phrase a cuckoo in the nest).
▸ noun:  (slang) Someone who is crazy.
▸ verb:  To make the call of a cuckoo.
▸ verb:  To repeat something incessantly.
▸ verb:  (UK, law enforcement) To take over the home of a vulnerable person for the purposes of carrying out organized crime in a concealed way.
▸ adjective:  (slang) Crazy; not sane.
▸ noun:  Alternative form of coo-coo (Barbadian food) [The two-note vocalisation made by the male of the common cuckoo (Cuculus canorus), or imitation of this by a cuckoo clock.]

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