/ Dictionary / Index L life preserver: Meaning and Definition of Find definitions for: life' preserv"er Pronunciation: [key] a buoyant jacket, belt, or other like device for keeping a person afloat. a weapon, esp. a short stick with a weighted head; blackjack. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. life plant lifer Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language