blad·der (bl d r)n.1. a. Anatomy Any of various distensible membranous sacs, such as the urinary bladder or the swim bladder, that serve as receptacles for fluid or gas. b. An item resembling one of the membranous sacs in animals: the bladder of a football. 2. Botany Any of various hollow or inflated saclike organs or structures, such as the floats of certain seaweeds or the specialized traps of bladderworts. 3. Pathology A blister, pustule, or cyst filled with fluid or air; a vesicle.
[Middle English bladdre, from Old English bl dre; see bhl - in Indo-European roots.] |
bladder Noun
1. Anat a membranous sac, usually containing liquid, esp. the urinary bladder
2. a hollow bag made of leather, etc. which becomes round when filled with air or liquid
3. a hollow saclike part in certain plants, such as seaweed [Old English blǣdre]
bladdery adj
bladder (bl d r)1. A sac-shaped muscular organ that stores the urine secreted by the kidneys, found in all vertebrates except birds and the monotremes. In mammals, urine is carried from the kidneys to the bladder by the ureters and is later discharged from the body through the urethra. 2. An air bladder. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | bladder - a distensible membranous sac (usually containing liquid or gas)gall bladder, gallbladder - a muscular sac attached to the liver that stores bile (secreted by the liver) until it is needed for digestion sac - a structure resembling a bag in an animal |
| 2. | bladder - a bag that fills with airbag - a flexible container with a single opening; "he stuffed his laundry into a large bag" football - the inflated oblong ball used in playing American football |
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