Webster’s Revised Unabridged Dictionary · 1913
Errant
Er′rant (ĕr′rant), a. [F. errant, p. pr. fr. OF. errer to travel, LL. iterare, fr. L. iter journey; confused somewhat with L. errare to err. See Eyre, and cf. Arrant, Itinerant.] 1. Wandering; deviating from an appointed course, or from a direct path; roving.
Seven planets or errant stars in the lower orbs of heaven. Sir T. Browne.
2. Notorious; notoriously bad; downright; arrant.
Would make me an errant fool. B. Jonson.
3. (Eng. Law) Journeying; itinerant; - - formerly applied to judges who went on circuit and to bailiffs at large. Mozley & W.
Er′rant, n. One who wanders about. [Obs.] Fuller.