Dictionary.com
definitions
  • synonyms

personal flotation device

noun
  1. a life preserver, life jacket, or other device for keeping a person afloat in the water. Abbreviation: PFD
Show More

Origin of personal flotation device

First recorded in 1970–75
Also called flo·ta·tion dev·ice.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018