whif·fle·tree /ˈhwɪfəl(ˌ)tri, ˈwɪ-/
馬車前端的橫木
whiffletree
複衍
Whif·fle·tree n. Same as Whippletree.
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whiffletree
n : a crossbar that is attached to the traces of a draft horse
and to the vehicle or implement that the horse is pulling
[syn: whippletree, swingletree]