A buoyant device, usually in the shape of a ring, belt, or jacket, designed to keep a person afloat in the water.(noun)
Chiefly British A weapon, such as a blackjack.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "life preserver" in a sentence
"A life preserver unfolded into a pale centipede, its hundreds of legs clicking along the deck."
"“Guess how much that supposedly CPR-certified and exceptionally skilled life preserver makes an hour.”"