'Enteron' definitions:

Definition of 'enteron'

(from WordNet)
noun
The alimentary canal (especially of an embryo or a coelenterate)

Definition of 'Enteron'

From: GCIDE
  • Enteron \En"te*ron\, n. [NL., fr. Gr. 'e`nteron an intestine, fr. 'ento`s within.] (Anat.) The whole alimentary, or enteric, canal. [1913 Webster]