1. a hollow organ in the body that stores urine until it is released
Usage: anatomy
2. any similar sac-like organ or structure in animals or plants that holds liquid or gas
Usage: biology
3. an inflatable bag or container, especially one made of rubber or leather

Examples

• The doctor explained that the bladder can hold about two cups of urine.
• She felt pressure in her bladder and needed to find a restroom.
• Fish have swim bladders that help them control their buoyancy.
• The football’s leather bladder was punctured during the game.
• Seaweed often has small bladders filled with air to help it float.
• The medical scan showed no problems with his bladder function.