- The definition of auto is an abbreviation for automobile which is a machine with an engine, four wheels, and room for passengers that is used to transport people on land.
A car is an example of an auto.
An automobile is called an auto.
- of or for oneself; self: autobiography
- by oneself or itself: automobile
- automatic: autofocus
Origin of auto-; from Classical Greek autos, self
intransitive verbau·toed, au·to·ing, au·tos
Origin of autoShort for automobile.
- Self; same: autogamy.
- Automatic: autopilot.
Origin of auto-Greek, from autos, self.
- (setting for automatic operation): manual
auto - Computer Definition
(AUTOmatic) Refers to a wide variety of devices that perform unattended operations.