[pi.geon] n [ME, fr. MF pijon, fr. LL pipion-, pipio young bird, fr. L pipire to chirp] (14c) 1: any of a widely distributed family (Columbidae, order Columbiformes) of birds with a stout body, rather short legs, and smooth and compact plumage; esp: a member of any of numerous varieties of the rock dove that exist in domestication and in the feral state in cities and towns throughout most of the world
2: a young woman
3: an easy mark: dupe
4: clay pigeon
[2]pigeon n [alter. of pidgin] (1938): an object of special concern: business