1
a
: a membranous sac in animals that serves as the receptacle of a liquid or contains gas
especially
: urinary bladder
b
: a gas- or air-filled vesicle in certain algae and aquatic plants (such as rockweed) : air bladder sense b
2
: something (such as the rubber bag inside a football) resembling a bladder
Examples of bladder in a Sentence
Recent Examples on the Web
Because the prostate sits just below the bladder, prostate cancer can affect urination.
—
Abby Norman, Verywell Health, 20 May 2025
But transplanting a bladder is much more complex than reconnecting a replacement to existing pipes.
—Paul Smaglik, Discover Magazine, 20 May 2025
Most of his bladder had been removed due to a rare cancer, leaving a portion too small to function.
—Theresa Braine, New York Daily News, 19 May 2025
The prostate is located in the male reproductive system behind the bladder and above the rectum.
—Hollie Silverman, MSNBC Newsweek, 18 May 2025
See All Example Sentences for bladder
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Abby Norman, Verywell Health, 20 May 2025
But transplanting a bladder is much more complex than reconnecting a replacement to existing pipes.
—Paul Smaglik, Discover Magazine, 20 May 2025
Most of his bladder had been removed due to a rare cancer, leaving a portion too small to function.
—Theresa Braine, New York Daily News, 19 May 2025
The prostate is located in the male reproductive system behind the bladder and above the rectum.
—Hollie Silverman, MSNBC Newsweek, 18 May 2025
See All Example Sentences for bladder
Cite this Entry
“Bladder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bladder. Accessed 29 May. 2025.
Copy CitationKids Definition
bladder
noun
blad·der
ˈblad-ər 
1
: a pouch in an animal in which a liquid or gas is stored
especially
: one into which urine passes from the kidneys and is stored temporarily until discharged by way of the urethra
2
: something resembling a bladder
especially
: a bag or container that can be blown up with air
Medical Definition
bladder
noun
blad·der
ˈblad-ər
1
: a membranous sac in animals that serves as the receptacle of a liquid or contains gas
especially
: urinary bladder
2
: a vesicle or pouch forming part of an animal body
the bladder of a tapeworm larva
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