harness

(countable) A restraint or support, especially one consisting of a loop or network of rope or straps.

(countable) A collection of wires or cables bundled and routed according to their function.

(dated, uncountable) The complete dress, especially in a military sense, of a man or a horse; armour in general.

The part of a loom comprising the heddles, with their means of support and motion, by which the threads of the warp are alternately raised and depressed for the passage of the shuttle.

Equipment for any kind of labour.