01 n. A bag or sac in animals, which serves as the receptacle of some fluid; as, the urinary bladder; the gall bladder; -- applied especially to …
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1.
A bag or sac in animals, which serves as the receptacle of some fluid; as, the urinary bladder; the gall bladder; -- applied especially to the urinary bladder, either within the animal, or when taken out and inflated with air.(Anat.)
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2.
Any vesicle or blister, especially if filled with air, or a thin, watery fluid.
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3.
A distended, membranaceous pericarp.(Bot.)
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4.
Anything inflated, empty, or unsound.
Phrases & compounds
Bladder nut —
a genus of plants (Staphylea) with bladderlike seed pods.
Bladder pod —
a genus of low herbs (Vesicaria) with inflated seed pods.
Bladdor senna —
a genus of shrubs (Colutea), with membranaceous, inflated pods.
Bladder worm —
the larva of any species of tapeworm (Tænia), found in the flesh or other parts of animals. See Measle, Cysticercus.
Bladder wrack —
the common black rock weed of the seacoast (Fucus nodosus and Fucus vesiculosus) -- called also bladder tangle. See Wrack.