The Collaborative International Dictionary
Glycocholic \Gly`co*chol"ic\, a. (Physiol. Chem.) Pertaining to, or composed of, glycocoll and cholic acid.
Glycocholic acid (Physiol. Chem.), a conjugate acid, composed of glycocoll and cholic acid, present in bile in the form of a sodium salt. The acid commonly forms a resinous mass, but can be crystallized in long, white needles.
Wiktionary
n. (context biochemistry English) A crystalline bile acid involved in the emulsification of fats, a conjugate of cholic acid with glycine.
Wikipedia
Glycocholic acid, or cholylglycine, is a crystalline bile acid involved in the emulsification of fats. It occurs as a sodium salt in the bile of mammals. It is a conjugate of cholic acid with glycine. Its anion is called glycocholate.