† eustoˈmachic,a.Obs.rare—1. [f.Gr. εὐστόµαχ-ος good for the stomach (f. εὐ- eu- + στόµαχος stomach) + -ic.] Good for the stomach. 1661Lovell Hist.Anim. & Min. 242 Diphilus saith they are eustomachick, but preferreth the rosted before those that are boiled.