(ichthyology) An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.

An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density.

A bladder containing (real or fake) blood, used to fake someone's death or injury, as in espionage or confidence tricks where a person is made to think that he is an accessory to murder.

A plant, Alkekengi officinarum (syn. Physalis alkekengi), having a bright paper-like covering over its fruit, native to southern Europe.

plural of bladder cherry

A perennial European herb, Silene vulgaris, having an inflated calyx

Alternative spelling of swim bladder

Alternative spelling of cackle-bladder

Colutea arborescens, a leguminous shrub.

(oncology) A disease in which abnormal cells multiply without control in the bladder.