mo|to|ri|um

mo|to|ri|um «moh TR ee uhm, -TOHR-», noun, plural -to|ri|a «-TR ee uh, -TOHR-».

the part of an organism which is concerned with motion.

╂[< New Latin motorium < Late Latin, power of motion < Latin mōtor; see etym. under motor (Cf. ↑motor)]