Găs'tric, a.

a. [Fr. gastrique, from Gr. γαστήρ, γαστρός, belly, stomach.] (Anat.) Belonging to the stomach.

Gastric juice, or liquor (Physiol.), a thin, pellucid fluid, with an acid reaction, produced by a peculiar set of secretories in the mucous membrane of the stomach. It is the principal solvent fluid in digestion.