A large robotic vehicle, usualy of roughly humanoid apearance. Mechs are larger than exoskeletons with the pilot(s) usualy in a cockpit in the head, or torso for smaller mechs. Mechs have been sighted in Battletech and Mechwarrior&(BattleMech, OmniMech), Heavy Gear, Star Wars(AT-ST,AT-AT,AT-MT), Pat Labour and lots of other anime.