Definition of "stomachic"

This will usefully blunt the keenness of the stomachic ferment.

1734, William Stukeley, Of the Gout, J. Roberts, page 107

CALUMBÆ RADIX (Kalumbo, Portuguese). The root of the Cocculus palmatus, one of our most useful stomachics and tonics. It contains a bitter principle, called calumbin.

1844, Richard Dennis Hoblyn, A Dictionary of Terms Used in Medicine and the Collateral Sciences‎