Main Entry:

blad·der

Pronunciation:

\ˈbla-dər\

Function:

noun

Etymology:

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

Date:

before 12th century

1 a: a membranous sac in animals that serves as the receptacle of a liquid or contains gas ; especially : urinary bladder b: cyst 2b2: something (as the rubber bag inside a football) resembling a bladder

— blad·der·like \-līk\ adjective