auto has definitions from the field of transportation
1
[ noun ] (transportation) 4-wheeled motor vehicle; usually propelled by an internal combustion engine

Examples

"he needs a car to get to work"

Used in print

(Ralph J. Salisbury, "On the Old Santa Fe Trail...)

Autos whizzed past .

Suddenly a treble auto horn tootley-toot-tootled , and , thumbing hopefully , I saw emergent in windshield flash : red lips , streaming silk of blonde hair and - ah , trembling confusion of hope , apprehension , despair - the leering face of old Herry .

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