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
Stick around for both if your bladder can manage the wait.
—
Erik Kain, Forbes.com, 24 July 2025
The Motor City Mile fundraiser will support studies in immunotherapy, early detection science, and patient support programs, including research for pancreatic, GI, bladder, lung and colorectal cancers.
—Allana Smith, Freep.com, 9 July 2025
Urine travels from the kidneys through muscular tubes called ureters to the bladder.
—Stephanie Brown, Verywell Health, 4 July 2025
The incident led to the plaintiffs’ suffering severe injuries, including bladder malfunctions, pelvis fractures, and ongoing medical treatment and rehabilitation, according to the lawsuit.
—Kennedy Sessions, Kansas City Star, 18 June 2025
See All Example Sentences for bladder
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Erik Kain, Forbes.com, 24 July 2025
The Motor City Mile fundraiser will support studies in immunotherapy, early detection science, and patient support programs, including research for pancreatic, GI, bladder, lung and colorectal cancers.
—Allana Smith, Freep.com, 9 July 2025
Urine travels from the kidneys through muscular tubes called ureters to the bladder.
—Stephanie Brown, Verywell Health, 4 July 2025
The incident led to the plaintiffs’ suffering severe injuries, including bladder malfunctions, pelvis fractures, and ongoing medical treatment and rehabilitation, according to the lawsuit.
—Kennedy Sessions, Kansas City Star, 18 June 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 Jul. 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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