noun A restraint or support, especially one consisting of a loop or network of rope or straps, and especially one worn by a working animal such as a horse pulling a carriage or farm implement.
noun A collection of wires or cables bundled and routed according to their function: a wiring harness.
noun The complete dress, especially in a military sense, of a man or a horse; armour in general.
noun 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.
noun Equipment for any kind of labour.
noun A software framework.
test harness
noun A system designed to manage the use of AI agents, specifically in software development.
harness engineering
verb To place a harness on something; to tie up or restrain.