Dictionary.com
definitions
  • synonyms

passive restraint

See more synonyms on Thesaurus.com
noun
  1. a safety device, as an air bag or special seat belt, that is activated automatically to protect an automobile passenger at the moment of impact when a collision occurs.

Origin of passive restraint

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018