What's the difference between swingletree and whippletree?
Swingletree
Definition:
(v. i.) A whiffletree, or whippletree. See Singletree.
Example Sentences:
Whippletree
Definition:
(n.) The pivoted or swinging bar to which the traces, or tugs, of a harness are fastened, and by which a carriage, a plow, or other implement or vehicle, is drawn; a whiffletree; a swingletree; a singletree. See Singletree.