Bravery or guts; derived from the traditional Chinese belief that the gallbladder is the source of a person's courage.

The gallbladder; a bitter organ located near the liver that aids in digestion; also referred to as 胆囊 dǎn​náng.

The inner part of an object used for holding air or water, such as the bladder of a ball or the glass lining of a thermos flask.

A Chinese surname