A stainless steel clevis that is part of a fence.
An example of clevis is what is used to attach a trailer hitch to a vehicle.
Origin of clevisultimately akin to cleave
Origin of clevisFrom clevi, possibly of Scandinavian origin; akin to Old Norse klofi, cleft; see gleubh- in Indo-European roots.
First attested in 1590s. Origin unknown; probably derived from the verb "to cleave". If so, the word ultimately may stem from Scandinavian: cf. Old Norse kljufa (to split).