life ring

Thesaurus

Noun

1.

life ring - a life preserver in the form of a ring of buoyant materiallife buoy, lifesaver, life beltbreeches buoy - a life buoy in the form of a ring with short breeches for support; used to transfer people from a shipflotation device, life preserver, preserver - rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning