urinary bladder

noun

Anatomy, Zoology.

1. a distensible, muscular and membranous sac, in which the urine is retained until it is discharged from the body.

urinary bladder

noun

1. a distensible membranous sac in which the urine excreted from the kidneys is stored

urinary bladder

1. A saclike structure that stores urine until it can be passed out of the body through the urethra.

Word History and Origins

Origin of urinary bladder¹

First recorded in 1720–30