- The definition of a locomotor is a machine, person or animal that can move from one place to another.
An example of a locomotor is a lab rat moving around a maze in an experiment.
Origin: loco- plush Classical Latin motor, mover
- locomotory adjective
Used by arrangement with John Wiley & Sons, Inc.
Origin: Latin locō, from a place, ablative of locus, place + motor.
locomotor - Medical Definition