- noun an inflated modified leaf of a plant that traps insects, e.g. bladderwort, or an inflated fruit, e.g. senna pod
- noun the organ in which urine is stored before being passed out of the body.
- noun any sac in the body, especially the sac where the urine collects before being passed out of the body
- noun a huge inflatable rubber container, which is used to store fuel or water at a POL or water point
Origin & History of “bladder”
Old English blǣdre
a hypothetical west
, a derivative of the stem
-, from which
we get blow
. The name perhaps
comes from the bladder’s capacity for inflation. It was originally, and for a long time
exclusively, applied to the urinary bladder.