Life-Buoy Meaning in Bengali

What is the meaning of word Life-Buoy in Bengali/Bangla ?

Meaning of Life-Buoy in Bangla is : বলয়াকার

Defenition of word Life-Buoy

Example

A brand new lifebuoy now sits on a post adjacent to Lake McKay at the Australian Defence College in Weston, Canberra.

Other Meaning of Life-Buoy