coupler

cou·pler  (kplr)

n.

1. One that couples, especially a device for coupling two railroad cars.

2. A device connecting two organ keyboards so that they may be played together.

Thesaurus

Noun

1.

coupler - a mechanical device that serves to connect the ends of adjacent objects coupling clevis - 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. clutch - a coupling that connects or disconnects driving and driven parts of a driving mechanism; "this year's model has an improved clutch" fluid drive - an automotive power coupling mechanical device - mechanism consisting of a device that works on mechanical principles swivel - a coupling (as in a chain) that has one end that turns on a headed pin turnbuckle - an oblong metal coupling with a swivel at one end and an internal thread at the other into which a threaded rod can be screwed in order to form a unit that can be adjusted for length or tension universal joint, universal - coupling that connects two rotating shafts allowing freedom of movement in all directions; "in motor vehicles a universal joint allows the driveshaft to move up and down as the vehicle passes over bumps"