— bladderless , adj. — bladderlike , adj.
/blad"euhr/ , n.
1. Anat. , Zool.
a. a membranous sac or organ serving as a receptacle for a fluid or air.
b. See urinary bladder .
2. Pathol. a vesicle, blister, cyst, etc., filled with fluid or air.
3. Bot. an air-filled sac or float, as in certain seaweeds.
4. something resembling a bladder, as the inflatable lining of a football or basketball.
5. an air-filled sac, usually made to resemble a club, used for beatings in low comedy, vaudeville, or the like.
[ bef. 900; ME; OE blaeddre, blaedre bladder, blister, pimple; c. ON blathra, dial. D bladder, G Blatter; akin to BLOW 2 ]