- Any of several mammals of the genus <em>Canis</em> of Africa, Asia, and southeast Europe, that are chiefly foragers feeding on plants, small animals, and occasionally carrion.
- One who seeks to gain advantage or profit from the difficulties of another.
- One who performs menial tasks for another.
- A kind of wild dog somewhat resembling a fox, which inhabits Asia and Africa; one of several species of old-world fox-like <internalXref urlencoded="Canid%C3%A6">Canidæ</internalXref>, of the genus <em>Canis</em>, as <em>C. aureus</em> of Asia, or <em>C. anthus of</em> Africa.
- Hence Any one who does dirty work for another; one who meanly serves the purpose of another.
- 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.
- One who does mean work for another's advantage, as jackals were once thought to kill game which lions appropriated.
- Any of several wild <xref>canine</xref> species, native to the tropical Old World, smaller than a wolf.
- A person who performs menial/routine tasks, <xref>dogsbody</xref>
- A person who behaves in an <xref>opportunistic</xref> way; especially a base <xref>collaborator</xref>.
- A <xref>jack</xref> (the <xref>playing card</xref>.)
- To perform <xref>menial</xref> or <xref>routine</xref> tasks
- Old World nocturnal canine mammal closely related to the dog; smaller than a wolf; sometimes hunts in a pack but usually singly or as a member of a pair