Re: motors vs engines

["Matjaz Kos" <kos@domain.elided>]

from http://www.m-w.com/dictionary

MOTOR:
Main Entry: 1mo?tor
Pronunciation: 'mO-t&r
Function: noun
Etymology: Latin, from movEre to move
Date: 1586
1 : one that imparts motion; specifically : PRIME MOVER
2 : any of various power units that develop energy or impart motion: as a :
a small compact engine b : INTERNAL COMBUSTION ENGINE; especially : a
gasoline engine c : a rotating machine that transforms electrical energy
into mechanical energy
3 : MOTOR VEHICLE; especially : AUTOMOBILE

Main Entry: 2motor
Function: adjective
Date: 1840
1 a : causing or imparting motion b : of, relating to, or being a motoneuron
or a nerve containing motoneurons <motor fiber> c : of, relating to,
concerned
with, or involving muscular movement <motor areas of the brain>
2 a : equipped with or driven by a motor b : of, relating to, or involving
an automobile c : designed for motor vehicles or motorists

Main Entry: 3motor
Date: 1896
intransitive senses
1 : to travel by automobile : DRIVE
2 : to move or proceed at a vigorous steady pace <motored down the field for
a touchdown>
transitive senses : to transport by automobile

ENGINE:
Main Entry: 1en?gine
Pronunciation: 'en-j&n
Function: noun
Etymology: Middle English engin, from Middle French, from Latin ingenium
natural disposition, talent, from in- + gignere to beget -- more at KIN
Date: 13th century
1 obsolete a : INGENUITY b : evil contrivance : WILE
2 : something used to effect a purpose : AGENT, INSTRUMENT <mournful and
terrible engine of horror and of crime -- E. A. Poe>
3 a : a mechanical tool: as (1) : an instrument or machine of war (2)
obsolete : a torture implement b : MACHINERY c : any of various mechanical
appliances -- often used in combination <fire engine>
4 : a machine for converting any of various forms of energy into mechanical
force and motion; also : a mechanism or object that serves as an energy
source <black holes may be the engines for quasars>
5 : a railroad locomotive

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