passive restraint


: a restraint (such as a self-locking seat belt) that acts automatically to protect an automobile rider during a crash

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of passive restraint was in 1969

Dictionary Entries Near passive restraint

Cite this Entry

“Passive restraint.” Dictionary, Merriam-Webster, Accessed 20 Jul. 2024.

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