1. [adjective] (biology) Having the power to move spontaneously.
2. [adjective] Producing motion.
3. [adjective] (psychology) Of or relating to those mental images that arise from the sensations of bodily movement and position.
4. [noun] (psychology) A person whose prevailing mental imagery takes the form of inner feelings of action, such as incipient pronunciation of words, muscular innervations, etc.
5. [noun] One whose prevailing mental imagery takes the form of inner feelings of action.
6. [adjective] (of spores or microorganisms) capable of movement.
