A cant-hook, used in logging.
1850. With entire self-possession, leaning on a cant-dog, he could talk with Melicent and Barbara in the Mill.S. Judd, Richard Edney, p. 272.
1851. All hands are lifting with heavy pries, hand-spikes, and cant-dogs, to roll these massive sticks into the brook channel.John S. Springer, Forest Life, p. 156 (N.Y.).