GAS'TRIC, adjective [from Gr. the belly or stomach.] Belonging to the belly, or rather to the stomach. The gastric juice is a thin, pellucid liquor, separated by the capillary exhaling arteries of the stomach, which open upon its internal tunic. It is the principal agent in digestion.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI