grădārĭus — Lewis & Short
grădārĭus, a, um, adj.id.,
I of or belonging to steps, going or proceeding step by step (very rare; not in Cic.).
I Lit.: equus gradarius, a pacer, ambler, Lucil. ap. Non. 17, 25:
pugna,Diom. p. 473 P.—
II Trop., of a deliberate speaker:
Cicero quoque noster gradarius fuit,Sen. Ep. 40, 11.