swingletree
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SWINGLETREE
Swin "gle *tree `, n. Etym: [So named in allusion to its swinging. See Swingle, v. i., and cf. Swingtree. ]
swin gle tree |ˈswiNGgəlˌtrē ˈswɪŋɡltri | ▶noun chiefly British term for singletree.
swingletree |ˈswɪŋg (ə )ltriː | ▶noun chiefly Brit. a crossbar pivoted in the middle, to which the traces are attached in a horse-drawn cart or plough.