A bag or sac in animals, which serves as the receptacle of some fluid; as, the urinary bladder; the gall bladder; -- applied especially to the urinary bladder, either within the animal, or when taken out and inflated with air.
Any vesicle or blister, especially if filled with air, or a thin, watery fluid.
bladder in Dutch is blaas
bladder in French is bulle, vessie
bladder in German is Blase
bladder in Italian is soffio, vescica
bladder in Latin is vesica
bladder in Portuguese is bexiga
bladder in Spanish is vejiga