1. A change of place or position. Cf.:movement (1). 2. SYN: defecation. 3. SYN: stool. [L. motio, movement, fr. moveo, pp. motus, to move]
- continuous passive m. (CPM) a technique in which a joint, usually the knee, is moved constantly through a variable range of m. to prevent stiffness and to increase the range of m.; most often accomplished using a motorized device specifically designed for this purpose.
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mo·tion 'mō-shən n
1) an act, process, or instance of changing place: MOVEMENT
2 a) an evacuation of the bowels
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mo·tion (moґshən) movement.Medical dictionary. 2011.