Definition of: running gear

1. Mech. a The wheels and axles of any vehicle and their immediate attachments, as distinguished from the body, frame, etc., which they support. b Those parts of a mechanism or construction that have partially independent motion: the running gear of a watch.
2. Naut. The movable ropes and wires on a boat or ship by which sails, etc., are raised, lowered, and trimmed.