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
The senses of sight, touch, hearing, taste and smell are usually not affected, and for many people, muscles of the eyes and bladder remain functional until very late in the disease, according to the ALS Society of Canada.
—
Natalie Neysa Alund, USA Today, 11 Apr. 2025
The drug, okayed for females 12 years old and up with uncomplicated UTIs (that have not spread beyond the bladder to the kidneys), will be marketed under the brand name Blujepa.
—Emily Kay Votruba, EverydayHealth.com, 27 Mar. 2025
According to the news release of the European Medical Journal, this approach could mark a significant shift in how bladder cancer is managed by urologists and oncologists.
—Jenny Lehmann, Discover Magazine, 25 Mar. 2025
Most involve the lower urinary tract, composed of the bladder and urethra (the tube through which urine exits the body).
—Cordelia Nwankwo, Verywell Health, 24 Mar. 2025
See All Example Sentences for bladder
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Natalie Neysa Alund, USA Today, 11 Apr. 2025
The drug, okayed for females 12 years old and up with uncomplicated UTIs (that have not spread beyond the bladder to the kidneys), will be marketed under the brand name Blujepa.
—Emily Kay Votruba, EverydayHealth.com, 27 Mar. 2025
According to the news release of the European Medical Journal, this approach could mark a significant shift in how bladder cancer is managed by urologists and oncologists.
—Jenny Lehmann, Discover Magazine, 25 Mar. 2025
Most involve the lower urinary tract, composed of the bladder and urethra (the tube through which urine exits the body).
—Cordelia Nwankwo, Verywell Health, 24 Mar. 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 22 Apr. 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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