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1. A machine built to carry out some complex task, esp. one which can be programmed and with many movable parts
   - automaton, golem
    
2. An intelligent machine designed to look and function like a human being or other creature (esp. in science fiction)
   - bot [informal]
    
3. Someone who does not appear to have any emotions
   "Being a robot, Jessica didn't even cry"
    
4. [S.Africa] A visual signal to control the flow of traffic at intersections
   - traffic light, traffic signal, stoplight [N. Amer]

Derived forms: robots

Type of: light, mechanism

Encyclopedia: Robot