Definition of bladders:
(n) :
(anatomy) Specifically, the urinary bladder.
(n) :
(zoology) A flexible sac that can expand and contract and that holds liquids or gases.
(n) :
The inflatable bag inside various balls used in sports, such as footballs and rugby balls.
(n) :
A container in the form of a flexible bag.
(n) :
A sealed plastic bag that contains wine and is usually packaged in a cask.
(n) :
(botany) A hollow, inflatable organ of a plant.