DCHP-1 Online
steer-dog Esp. North 
n. in a dog-team, the dog hitched nearest to the sled or toboggan, his task being to guide the vehicle, keeping it clear of any-thing that might obstruct it.
See also: boss dog sled dog (def. 2) steerer (def. 2) steering dog wheel-dog
- 1873 (1904) Upon my assuming charge of the train, an ominous tendency to growl and fight on the part of my steer-dog told me something was wrong.
- 1896 The steer-dog keeps the sledge upon a slanting track, and guides it through trees and rocks.
- 1953 . . . a steer dog or wheel dog hitched nearest the toboggan.
- 1873 (1904) Upon my assuming charge of the train, an ominous tendency to growl and fight on the part of my steer-dog told me something was wrong.