gallbladder

/G AO1 L B L AE0 D ER0/
noun
  1. 1

    A pear-shaped organ that stores bile from the liver, until the body needs it for the digestion and absorption of fats in the duodenum.

Source: https://en.wiktionary.org/wiki/gall%20bladder, https://en.wiktionary.org/wiki/gallbladder