sparrow-hawk noun4 •A Eurasian sparrowhawk, Accipiter nisus, a small, short-winged European hawk that preys on smaller birds. •A female such bird, a male being a musket. •Any of numerous other relatively small birds of Old World species of Accipiter, that prey on smaller birds or otherwise resemble A. nisus. •The American kestrel or American sparrowhawk (Falco sparverius), a small falcon found in North and South America that preys on grasshoppers and small animals. formssparrow hawks · sparrow-hawks