WordReference Random House Unabridged Dictionary of American English © 2026
per′sonal flota′tion device′,
- Naval Termsa life preserver, life jacket, or other device for keeping a person afloat in the water: esp. in Coast Guard use. Abbr.: PFD
- 1970–75
'personal flotation device' also found in these entries (note: many are not synonyms or translations):