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
Their unlikely friendship ended in February 1987, when Warhol died suddenly after a complicated gall bladder operation.
—
Lauren Huff, Entertainment Weekly, 28 Oct. 2025
The mass on the ovary can also push onto the urinary system, compressing your bladder and creating a feeling of having to urinate constantly.
—Jocelyn Solis-Moreira, Flow Space, 27 Oct. 2025
Prostatitis Prostatitis is an inflammation of the prostate gland, which is located just below the bladder in men and people born male.
—Lindsay Curtis, Health, 25 Oct. 2025
Puppies cannot hold their bladder for very long, so they should be given regular opportunities to relieve themselves.
—Madeline Gunderson, USA Today, 19 Oct. 2025
See All Example Sentences for bladder
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Lauren Huff, Entertainment Weekly, 28 Oct. 2025
The mass on the ovary can also push onto the urinary system, compressing your bladder and creating a feeling of having to urinate constantly.
—Jocelyn Solis-Moreira, Flow Space, 27 Oct. 2025
Prostatitis Prostatitis is an inflammation of the prostate gland, which is located just below the bladder in men and people born male.
—Lindsay Curtis, Health, 25 Oct. 2025
Puppies cannot hold their bladder for very long, so they should be given regular opportunities to relieve themselves.
—Madeline Gunderson, USA Today, 19 Oct. 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 31 Oct. 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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