a. Obs. rare1. [f. Gr. εὐστόμαχ-ος good for the stomach (f. εὐ- EU- + στόμαχος stomach) + -IC.] Good for the stomach.
1661. Lovell, Hist. Anim. & Min., 242. Diphilus saith they are eustomachick, but preferreth the rosted before those that are boiled.