1) Cuckoo 
A coucal is one of about 30 species of birds in the cuckoo family. All of them belong in the subfamily Centropodinae and the genus Centropus. Unlike many Old World cuckoos, coucals are not brood parasites. On the other hand they do have their own reproductive peculiarity: all members of the genus are to varying degrees sex-role reversed so that th...
• (n.) A large, Old World, ground cuckoo of the genus Centropus, of several species.
any of about 27 species of medium to large birds of the genus Centropus of the cuckoo family (Cuculidae). They are found from Africa and Madagascar ... [1 related articles]
Cou'cal noun [ Prob. native name.] (Zoology) A large, Old World, ground cuckoo of the genus Centropus , of several species. 
[n] - Old World ground-living cuckoo having a long dagger-like hind claw
noun Old World ground-living cuckoo having a long dagger-like hind claw
any of several Old World cuckoos of the genus Centropus, having harsh-textured plumage and a long, daggerlike hind claw.