Definitions
1.nounA small falcon, Falco sparverius, the American kestrel or American sparrowhawk, that preys on grasshoppers and small animals, which is found in North and South America.
2.nounThe Eurasian sparrowhawk, Accipiter nisus, a small, short-winged European hawk that preys on smaller birds.
3.nounA female such bird, a male being a musket.
4.nounAny of numerous other species of Accipiter, that prey on smaller birds or otherwise resemble A. nisus.