swingletree
/ˈswɪŋɡəlˌtri/
noun
- A pivoted crossbar to which the traces of a harness are attached, allowing a horse to pull a vehicle or plow evenly.
- Without a swingletree, the wagon would veer to one side.
- The swingletree balanced the pull between the two horses.
- He oiled the swingletree to prevent it from squeaking.
Synonyms