名詞 axletree:

1. a dead axle on a carriage or wagon that has terminal spindles on which the wheels revolve

ax.le.tree

n.（名詞）
A crossbar or rod supporting a vehicle, such as a cart, that has terminal spindles on which the wheels revolve.
車軸，軸干：支撐如二輪馬車等交通工具的橫梁或棍棒，輪子圍繞其上的軸心末端轉(zhuǎn)動(dòng)

來(lái)源：
Blend of Middle English axel [axle] * see axle
混合了 中古英語(yǔ) axel [軸] *參見 axle
Middle English axtre [axletree] ax from Old English eax tre [tree] * see tree
中古英語(yǔ) axtre [軸平] ax 源自 古英語(yǔ) eax tre [樹] *參見 tree