trĕbax, ācis, adj. [contr. from the Gr. τριβακός],
practised , skilled in the ways of the world , cunning , crafty (lat. Lat.): trebacissimus senex, Sid. Ep. 1, 11 med.—Adv. : trĕbācĭter , cunningly , slyly , Sid. Ep. 9, 11 med.