n.
Pronunciation: ' kü-( ˌ )kü, ' ku ̇ -
Function: noun
Inflected Form: plural cuckoos
Etymology: Middle English cuccu, of imitative origin
Date: 13th century
1 : a largely grayish-brown European bird ( Cuculus canorus ) that is a parasite given to laying its eggs in the nests of other birds which hatch them and rear the offspring broadly : any of a large family (Cuculidae of the order Cuculiformes) to which this bird belongs
2 : the call of the cuckoo
3 : a silly or slightly crackbrained person
cuckoo[1]