Air bladder

Noun

Definitions

1.NounAn internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.

2.NounA type of packing material that consists of an airtight bag full of air, used to cushion fragile items.

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.