Source : Webster's Revised Unabridged Dictionary (1913)

Alimentary \Al`i*men"ta*ry\, a. [L. alimentarius, fr. alimentum:
   cf. F. alimentaire.]
   Pertaining to aliment or food, or to the function of
   nutrition; nutritious; alimental; as, alimentary substances.

   {Alimentary canal}, the entire channel, extending from the
      mouth to the anus, by which aliments are conveyed through
      the body, and the useless parts ejected.

Source : WordNet®

alimentary
     adj : of or providing nourishment; "good nourishing stew" [syn: {alimental},
            {nourishing}, {nutrient}, {nutritious}, {nutritive}]