bladder

US /ˈblæd.ɚ/
UK /ˈblæd.ɚ/
"bladder" picture
1.

a membranous sac in humans and other animals, in which urine collects before being excreted.

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The doctor examined the patient's bladder.
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She felt a strong urge to empty her bladder.
:
vesica
2.

an inflatable bag or sac, typically made of rubber or plastic, used for holding air or gas.

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The inflatable boat has several air bladders.
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A deflated bladder from a football.
:
sacpouchbag
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gall bladderbladder cancer