Definition of bladder in English:


Syllabification: blad·der
Pronunciation: /ˈbladər


  • 1A membranous sac in humans and other animals, in which urine is collected for excretion.
    More example sentences
    • Waste products from the blood are removed in the kidneys and stored in the bladder as urine.
    • This maneuver requires that manual pressure be exerted on the abdomen over the bladder to express the urine.
    • A small amount of urine drips constantly from your kidneys to your bladder through tubes called ureters.
  • 2Anything inflated and hollow: an air bladder in the arch and collar of the shoe
    More example sentences
    • The device works by intermittently inflating a small rubber bladder in the back of the stocking.
    • The clear tones of birdsong emerge from internal air sacs that can inflate and deflate, much like a bagpipe's bladder.
    • He covered my leg in plaster of Paris strips again and then moulded them in place using an inflatable rubber bladder.
  • 2.1 Botany An inflated fruit or vesicle in various plants: a dried bladder of seaweed


Old English blǣdre, of Germanic origin; related to Dutch blaar and German Blatter, also to blow1.

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