troche definition by Webster's New World
Origin: altered ; from trochisk ; from French trochisque ; from Late Latin trochiscus, pill, small ball ; from Classical Greek trochiskos, small wheel, lozenge ; from trochos, wheel ; from trechein, to run ; from Indo-European base an unverified form dhregh-, to run from source Old Irish droch, wheel
troche definition by American Heritage Dictionary
Origin: Back-formation from Middle English trocis, troches (taken as pl. ), from Old French trocisse, from Late Latin trochiscus, from Greek trokhiskos, diminutive of trokhos, wheel, from trekhein, to run.
troche - Medical Definition