Jackal n. : Any one of several species of carnivorous animals inhabiting Africa and Asia, related to the dog and wolf. They are cowardly, nocturnal, and gregarious. They feed largely on carrion, and are noted for their piercing and dismal howling.

Jackal n. : One who does mean work for another's advantage, as jackals were once thought to kill game which lions appropriated.

Example:
How do you exit the Jackal in Dark Sector for PC?

Taxonomy
jackal, species, genus, territory, black-backed jackal, Canis, Canis aureus, free encyclopedia, Thos, the jackal, languages, Canis adustus, Canis mesomelas, Side-striped jackal, family Canidae, Taxonomy, relationships, genus Canis.

Defination from the web:
... In jackal society the social unit is that of a monogamous pair which defends its territory from other pairs. ... The Ancient Egyptian god of embalming and the underworld, Anubis, was depicted as a man with a jackal's head. ...