bile salt

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of the sodium salts of the bile acids occurring in bile.
2. n. A mixture, such as a commercial preparation derived from the bile of the ox, that is used medicinally as a hepatic stimulant or laxative.

Century Dictionary and Cyclopedia

1. n. the salt of a bile acid, for example, sodium glycocholate.

Wiktionary

1. n. The sodium salt of a bile acid; produced by the bile to neutralize the products leaving the stomach and to emulsify fatty material in it

WordNet 3.0

1. n. a salt of bile acid and a base; functions as an emulsifier of lipids and fatty acids