Pronunciation: ( jak'ul, -ôl),[key] —n. 1. any of several nocturnal wild dogs of the genus Canis, esp. C. aureus, of Asia and Africa, that scavenge or hunt in packs.
2. a person who performs dishonest or base deeds as the follower or accomplice of another.
3. a person who performs menial or degrading tasks for another.