life buoy

== English == === Alternative forms === life-buoy, lifebuoy === Etymology === From life +‎ buoy. === Noun === life buoy (plural life buoys) (UK) A buoyant object (most commonly torus-shaped) that is used as a life-saving device by keeping a person afloat. Synonyms: (US) life preserver, life ring, lifesaver, safety buoy (UK, figurative) Something that rescues one from difficulties. ==== Related terms ==== ==== Translations ====