'Butyrin' definitions:

Definition of 'butyrin'

(from WordNet)
noun
Any of three glycerides of butyric acid

Definition of 'Butyrin'

From: GCIDE
  • Butyrin \Bu"ty*rin\, n. (Physiol. Chem.) A butyrate of glycerin; a fat contained in small quantity in milk, which helps to give to butter its peculiar flavor. [1913 Webster]