Learn how to say Bladder correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word bladder:
1a muscular membranous sac in the abdomen which receives urine from the kidneys and stores it for excretion:
patients were asked to empty their bladders before going to bed
2an inflated or hollow flexible bag or chamber:
a dried bladder of seaweed
an air bladder in the arch of the shoe
Old English blǣdre, of Germanic origin; related to Dutch blaar and German Blatter, also to blow1