life belt
noun
1
chiefly British : a life preserver in the form of a buoyant belt
2
: safety belt
Example Sentences
Recent Examples on the Web Footage of the incident shows navy officers throwing life belts to the three men from a coastguard vessel. 
Jack Guy, CNN, 3 Oct. 2019
Jack Guy, CNN, 3 Oct. 2019 Word History
First Known Use
1841, in the meaning defined at sense 1
Kids Definition
life belt
noun
: a life preserver worn like a belt
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