( n. )
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.
( n. )
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's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012