Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun flotation_device

1 sense of flotation device

Sense 1
life preserver, preserver, flotation device -- (rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning)
       => float -- (something that floats on the surface of water)
       => rescue equipment -- (equipment used to rescue passengers in case of emergency)