from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The bar of a carriage to which the traces are fastened.
from the GNU version of the Collaborative International Dictionary of English
- n. The bar of a carriage to which the traces are fastened; the whiffletree.
from The Century Dictionary and Cyclopedia
- n. Same as swingletree.
swing + tree (Wiktionary)