auto
au-to · noun
Definitions
noun
- 1.
An automobile; a car (informal, especially in American English).
- 2.
Relating to oneself or self-acting.
Forms
plural: autos
Phrases & expressions
- •auto insurance — Insurance for vehicles.
- •auto industry — The automobile manufacturing sector.
- •auto parts — Components for vehicles.
Related words
Etymology
From Greek autos ("self"). As a noun meaning "car," it is a shortened form of "automobile."