Crow-bar and Clevis

Clevis and crow-bar are semantically related. In some cases you can use "Clevis" instead a noun phrase "Crow-bar".

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..

Crow-bar and clevis are semantically related. Sometimes you can replace phrase "Crow-bar" with "Clevis", this terms are similar.