'Digestible' definitions:

Definition of 'digestible'

From: WordNet
adjective
Capable of being converted into assimilable condition in the alimentary canal [ant: indigestible]

Definition of 'Digestible'

From: GCIDE
  • Digestible \Di*gest"i*ble\, a. [F. digestible, L. digestibilis.] Capable of being digested. [1913 Webster]