motorium
noun
mo·to·ri·um
| \ mō-ˈtōr-ē-əm
\
\
plural motoria\ -ē-ə
\
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Medical Definition of motorium
1
: the part of an organism and especially the part of its nervous system that is concerned with movement as distinguished from that concerned with sensation
2
: a differentiated cytoplasmic area in certain protozoans that acts as a coordinating center analogous to the brain of higher animals