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Webster 1913 Edition
Motor
Mo′tor
,Noun.
[L., fr.
movere
, motum
, to move.] 1.
One who, or that which, imparts motion; a source of mechanical power.
2.
(Mach.)
A prime mover; a machine by means of which a source of power, as steam, moving water, electricity, etc., is made available for doing mechanical work.
Webster 1828 Edition
Motor
MO'TOR
,Noun.
A mover. The metals are called motors of electricity.