
1) Coupler 2) Coupling
Found on
https://www.crosswordclues.com/clue/clevis

U-shaped fastener with pin used to close the open end
Found on
http://phrontistery.info/c.html

• (n.) 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.
Found on
http://thinkexist.com/dictionary/meaning/clevis/
(Shackle) A U-shaped metal piece with holes in each end through which a pin or bolt is run. Used to attach two objects together.
Found on
http://www.americantrails.org/

U-shaped shackle for connecting a rod to a pin.
Found on
http://www.encyclo.co.uk/local/21038

A sprung link connecting a control rod to the surface being controlled
Found on
http://www.encyclo.co.uk/local/22135

Clev'is noun [ Confer Cleave to adhere, Clavel .] 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
Found on
http://www.encyclo.co.uk/webster/C/91

[
n] - a coupling to attach a drawbar to a plow or wagon or trailer etc.
Found on
http://www.webdictionary.co.uk/definition.php?query=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.
Found on
https://www.encyclo.co.uk/local/20974

A U-shaped yoke with internal threads in one end which can be attached to a threaded rod and the other end a connection with a hole used for a pin or bolt attchment.
Found on
https://www.encyclo.co.uk/local/21107

a-shaped yoke at the end of a chain or rod, between the ends of which a lever, hook, etc., can be pinned or bolted.
Found on
https://www.infoplease.com/dictionary/clevis
No exact match found.