any of several large, chiefly terrestrial and ground-running birds of the family Otididae, of the Old World and Australia, related to the cranes.
Origin: 1425–75;late Middle English, apparently blend of Middle Frenchbistarde (Old Italianbistarda) and Middle Frenchoustarde, both < Latinavis tarda (Pliny) literally, slow bird, though tarda may be a non-L word, taken erroneously as feminine of tardus
any terrestrial bird of the family Otididae, inhabiting open regions of the Old World: order Gruiformes (cranes, rails, etc). They have long strong legs, a heavy body, a long neck, and speckled plumage
[C15: from Old French bistarde, influenced by Old French oustarde, both from Latin avis tarda slow bird]
large crane-like bird, late 14c., from O.Fr. bistarde, said to be from L. avis tarda, but the sense of this ("slow bird") is the opposite of the bird's behavior.