noun Date: 1728 a membranous sac in many vertebrates that serves for the temporary retention of urine and discharges by the urethra
URINARY BLADDER
Meaning of URINARY BLADDER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012