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
His family said in a statement on social media that the cause was bladder cancer.
—
Clay Risen, New York Times, 8 Mar. 2025
Golf legend John Daly revealed his bladder cancer has been in remission for four years.
—Ryan Canfield, Fox News, 4 Mar. 2025
Compression is courtesy of a set of inflatable bladders that produce a mild, rolling massage over the eyes and a stronger one at the temples.
—David Szondy, New Atlas, 1 Mar. 2025
Endometriosis is a condition when tissue similar to the lining of the uterus (womb) grows outside the uterus, such as in the bowels, bladder, and pelvic area.1
The most common symptoms of endometriosis are severe and painful cramps, pelvic pain, and irregular periods.
—Heidi Cope, Health, 18 Feb. 2025
See All Example Sentences for bladder
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Clay Risen, New York Times, 8 Mar. 2025
Golf legend John Daly revealed his bladder cancer has been in remission for four years.
—Ryan Canfield, Fox News, 4 Mar. 2025
Compression is courtesy of a set of inflatable bladders that produce a mild, rolling massage over the eyes and a stronger one at the temples.
—David Szondy, New Atlas, 1 Mar. 2025
Endometriosis is a condition when tissue similar to the lining of the uterus (womb) grows outside the uterus, such as in the bowels, bladder, and pelvic area.1
The most common symptoms of endometriosis are severe and painful cramps, pelvic pain, and irregular periods.
—Heidi Cope, Health, 18 Feb. 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 20 Mar. 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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