gaffel (zn):
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.
clevis
gaffel (zn):
A spar rising aft from a mast to support the head of a quadrilateral fore-and-aft sail
gaff
Via: Ensyns.nl
Via: Memodata.com