Rook, n.
1. Zool. A European bird (Corvus frugilegus) resembling the crow, but smaller. It is black, with purple and violet reflections. The base of the beak and the region around it are covered with a rough, scabrous skin, which in old birds is whitish. It is gregarious in its habits. The name is also applied to related Asiatic species.
The rook . . . should be treated as the farmer's friend. --Pennant.
2. A trickish, rapacious fellow; a cheat; a sharper.
Corvus frugilegus
n : common gregarious Old World bird about the size and color of
the American crow [syn: rook]