plural of direct coupling

plural of capacitive coupling

Of a horse: well formed at the part where the back joins the rump.

plural of coupling-box

The box or ring of metal connecting the contiguous ends of two lengths of shafts.

A device for uncoupling machinery in the event of a sudden stoppage.

plural of ratchet coupling

plural of coupling rod

(rail transport) A rod that couples the driving wheels of a locomotive, a steam locomotive in particular, so that the driving wheels act together as a unit.

Alternative form of couple three