The Collaborative International Dictionary of English v.0.48:

Chyme \Chyme\, n. [L. chymus chyle, Gr. ? juice, like ?, fr. ?
   to pour: cf. F. chyme. See Chyle.] (Physiol.)
   The pulpy mass of semi-digested food in the small intestines
   just after its passage from the stomach. It is separated in
   the intestines into chyle and excrement. See Chyle.
   [1913 Webster] Chymist
   Chymic

WordNet (r) 3.0 (2006):

chyme
    n 1: a semiliquid mass of partially digested food that passes
         from the stomach through the pyloric sphincter into the
         duodenum