A hollow, inflatable organ of a plant.
A sealed plastic bag that contains wine and is usually packaged in a cask.
A flexible sac that can expand and contract and that holds liquids or gases.
Anything inflated, empty, or unsound.
Specifically, the urinary bladder.
The inflatable bag inside various balls used in sports, such as footballs and rugby balls.
To swell out like a bladder with air; to inflate.
To store or put up in bladders.
A small cell.