Noun life belt has 2 senses
  1. safety belt, life belt, safety harness - belt attaching you to some object as a restraint in order to prevent you from getting hurt
    --1 is a kind of belt; restraint, constraint
    --1 has particulars: seat belt
  2. life buoy, lifesaver, life belt, life ring - a life preserver in the form of a ring of buoyant material
    --2 is a kind of life preserver, preserver, flotation device
    --2 has particulars: breeches buoy
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