A carnivorous animal (Canis latrans), allied to the dog, found in the western part of North America; -- called also prairie wolf. Its voice is a snapping bark, followed by a prolonged, shrill howl.
- A small wolflike carnivorous animal (Canis latrans) native to western North America and found in many other regions of the continent. Also called prairie wolf.
- A firefighter who is sent to battle remote, usually very severe forest fires, often for days at a time.
- Slang A person who smuggles illegal immigrants into the United States, especially across the Mexican border.