I. ˈbladə(r) noun
( -s )
Etymology: Middle English bladdre, from Old English blǣdre bladder, blister; akin to Old High German blātara bladder, Old Norse blathra blister, Old English blāwan to blow — more at blow
1.
a. : a membranous sac in animals that serves as the receptacle of a fluid or contains gas
urinary bladder
gall bladder
— usually used of the urinary bladder when unqualified; see air bladder
b. : a vesicle or pouch forming part of an animal body
the bladder of a larval tapeworm
c. : vesicle c
2.
a. : a urinary bladder dressed and used for some purpose, especially as a container
a bladder of lard
b. : a man-made flexible and elastic container (as a toy balloon or the rubber lining of an inflatable ball) suggesting such a bladder
3. : something resembling a bladder especially in being inflated, empty, or unsound ; specifically : a pretentious self-important person
II. verb
( -ed/-ing/-s )
archaic : to puff up : swell out : inflate