clevis

名词 clevis:

1. a coupler shaped like the letter U with holes through each end so a bolt or pin can pass through the holes to complete the coupling; used to attach a drawbar to a plow or wagon or trailer etc.

clev.is

n.（名词）
A U-shaped metal piece with holes in each end through which a pin or bolt is run, used as a fastening device.
U形钩，马蹄钩：一种U形金属片，两端有洞，有螺丝钉穿过两洞，用作加固装置

来源：
From clevi
源自 clevi
[possibly of Scandinavian origin] ; akin to Old Norse klofi [cleft] * see gleubh-
[可能源于斯堪的纳维亚语] ；类似于 古斯堪的纳维亚语 klofi [裂缝] *参见 gleubh-