bladder

/ˈblædər/
noun
  1. The organ in the body that stores urine before it leaves the body.
    • Drinking plenty of water helps keep your bladder healthy.
    • He felt a strong urge to empty his bladder after the long car ride.
    • The doctor checked her bladder using an ultrasound.
  2. A flexible bag or container, often used for holding liquids or gases.
    • The soccer ball's bladder is made of rubber and holds the air.
    • The wine was stored in a goatskin bladder for transport.
    • The hydration pack has a plastic bladder that holds water.
What does "bladder" mean? | whatsthatwordmean | whatsthatwordmean