English

Noun

personal flotation device ‎(plural personal flotation devices)

1. A life vest or other device or article of clothing designed to be used by one person as an aid to remaining safely afloat in water, especially in a emergency situation.
   • 1973, "Water Safety Drive Concluded," Ocala Star-Banner, 15 Oct., p. 5B (retrieved 7 Jan. 2010):

     Under the new personal flotation device regulations, boats 16 feet and longer must have one wearable type flotation device on board the boat for each person.

Synonyms

• flotation suit, life belt, life buoy, life jacket, lifesaver, Mae West, PFD

References

• personal flotation device at OneLook Dictionary Search