air bladder
swim bladder
float , *

He raised his head from the air bladder and shook it to clear the cobwebs.

Like a head with an empty air bladder, nothing to say and no breath to say it.

Its air bladder is said to make the best isinglass.

The colony has an air bladder, and floats on the surface.

This air bladder has access to "free air" outside the bag.

This air bladder does not allow the fish to remain out of water for any length of time.

The air bladder acts as a lung, and the nostrils open inside the mouth.

They are kept afloat by their stems full of air bladders.

It is roughly as though a fish lost the function of its air bladder and sank slowly to the bottom.

The Pump has an air bladder built into the upper portion of the shoe.