The term 'Mechanical Man' is used to describe a type of artificial being, usually created to perform a specific task. The three most common terms for this type of being are ROBOT (5 letters), AUTOMATON (9 letters), and ANDROID (7 letters). Robots are typically programmed to carry out repetitive tasks, while Automatons are usually designed to imitate human behavior. Androids are humanoid robots, designed to look and act like humans.