CLEVIS
clevis
(noun) 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.
Source: WordNet® 3.1
Etymology
Noun
clevis (plural clevises)
A U-shaped coupling having holes at each end, through which a bolt is run; used especially to fit attachments to a tractor or other vehicle as it allows a degree of rotation about the bolt.
Anagrams
• clives
Source: Wiktionary
Clev"is, n. Etym: [Cf. Cleave to adhere, Clavel.]
Definition: A piece of metal bent in the form of an oxbow, with the two
ends perforated to receive a pin, used on the end of the tongue of a
plow, wagen, etc., to attach it to a draft chain, whiffletree, etc.;
– called also clavel, clevy.
Source: Webster’s Unabridged Dictionary 1913 Edition