2. A rogue. [Obs.] Cockeram.

3. (Geol.)

Defn: Any stone or material that has been borne away from its original site by natural agencies; esp., a large block or fragment of rock; a bowlder.

Note: In the plural the term is applied especially to the loose gravel and stones on the earth's surface, including what is called drift.

ERRATICAL
Er*rat"ic*al, a.

Defn: Erratic.
— Er*rat"ic*al*ly, adv.
— Er*rat"ic*al*ness, n.

ERRATION
Er*ra"tion, n. Etym: [L. erratio. See Err.]

Defn: A wandering; a roving about. [Obs.] Cockeram.

ERRATUM Er*ra"tum, n.; pl. Errata. Etym: [L., fr. errare, erratum, to wander, err. See Err.]

Defn: An error or mistake in writing or printing.
A single erratum may knock out the brains of a whole passage. Cowper.