taurine \tau"rine\, n. so named because it was discovered in
   the bile of the ox. see taurus. physiol. chem.
   a chemical compound occurring in small quantity in the juices
   of muscle, in the lungs, and elsewhere, but especially in the
   bile, where it is found as a component part of taurocholic
   acid, from which it can be prepared by decomposition of the
   acid. it crystallizes in colorless, regular six-sided prisms,
   and is especially characterized by containing both nitrogen
   and sulphur, being chemically amido-isethionic acid,
   c2h7nso3.
   1913 webster
see also:
taurus c2h7nso3