GEAR, an outfit, applied to the wearing apparel of a person, or to the harness and trappings of a horse or any draft animal, as riding-gear, hunting-gear, etc. ; also to household goods or stuff. The phrase "out of gear," though now connected with the me chanical application of the word, was originally used to signify "out of harness" or condition. The word is also used of apparatus generally, and especially of the parts collectively in a machine by which motion is transmitted from one part to another by a series of cog-wheels, continuous bands, etc. (See BICYCLE; MECHAN ICS ; MOTOR VEHICLES ; POWER TRANSMISSION ; STEAM ENGINE.)