bladder

noun

blad·​der ˈbla-dər 

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

bladderlike

ˈbla-dər-līk 

adjective

Examples of bladder in a Sentence

Recent Examples on the Web

Peter Yarrow Peter Yarrow, the singer, songwriter, and political activist who was a major figure in the folk revival movement of the 1960s as one third of the music trio Peter, Paul and Mary, died on Jan. 7 at 86 after a four-year battle with bladder cancer. —Ew Staff, EW.com, 24 Jan. 2025

Weakened Pelvic Muscles The pelvic muscles support the bladder, intestines, and, in women, the uterus. —Sohaib Imtiaz, Verywell Health, 18 Jan. 2025

This is also not his first health scare, as Daly revealed in 2020 that he was diagnosed with bladder cancer. —Ingrid Vasquez, People.com, 15 Jan. 2025

Yet another study randomized 24 adults with overactive bladder, which produces a sudden, uncontrollable urge to urinate and examined the effect of increasing or decreasing fluid intake on symptoms. —New Atlas, 1 Jan. 2025

Word History

Etymology

Middle English, from Old English blǣdre; akin to Old High German blātara bladder, Old English blāwan to blow

First Known Use

before the 12th century, in the meaning defined at sense 1a

Phrases Containing bladder

• bladder kelp
• giant bladder kelp
• urinary bladder

Kids 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

bladderlike

-ˌlīk 

adjective

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