cuckoo

Từ điển Oxford Advanced Learner 8th

cuckoo [cuckoo cuckoos] noun, adjective BrE [ˈkʊkuː] NAmE [ˈkʊkuː]
noun (pl. cuckoos)
a bird with a call that sounds like its name. Cuckoos leave their eggs in the nests of other birds.
see also ↑cloud cuckoo land

Word Origin:
Middle English: from Old French cucu, imitative of its call.
 
adjective not before noun (old-fashioned, informal)
crazy

Word Origin:
Middle English: from Old French cucu, imitative of its call.
 

• Từ đồng nghĩa / Synonyms:
  fathead, goof, goofball, bozo, jackass, goose, twat, zany