bile salts definition
Definition of BILE SALT. 1. : a salt of bile acid. 2. plural: a dry mixture of the principal salts of the gall of the ox used as a liver stimulant and as a laxative. ADVERTISEMENT.efinition of BILE SALT. 1. : a salt of bile acid. 2. plural: a dry mixture of the principal salts of the gall of the ox used as a liver stimulant and as a laxative. ADVERTISEMENT.