Anti-lock braking (or brake) system.
Acrylonitrile butadiene styrene, a hard, tough, lightweight plastic used for automobile parts, countertops, etc.
Antilock braking system.
Abs is defined as an abbreviation for abdominal muscles.
An example of abs are the stomach muscles of Mike "The Situation" from the reality tv show Jersey Shore.
The definition of ABS is an abbreviation for acrylonitrile butadiene styrene, which is a lightweight plastic.
An example of ABS is the plastic used to make the building toy called Legos.