crow 1 
(kr
ō)
n.1. Any of several large glossy black birds of the genus Corvus, having a characteristic raucous call, especially C. brachyrhynchos of North America.
2. A crowbar.
Idiom: as the crow flies In a straight line.
[Middle English croue, from Old English crāwe; see gerə-2 in the Appendix of Indo-European roots. Sense 2, from the resemblance of its forked end to a crow's foot or beak.]