The Collaborative International Dictionary of English v.0.48:

Erratum \Er*ra"tum\, n.; pl. Errata. [L., fr. errare, erratum,
   to wander, err. See Err.]
   An error or mistake in writing or printing.
   [1913 Webster]

         A single erratum may knock out the brains of a whole
         passage.                                 --Cowper.
   [1913 Webster]

WordNet (r) 3.0 (2006):

erratum
    n 1: a mistake in printed matter resulting from mechanical
         failures of some kind [syn: misprint, erratum,
         typographical error, typo, literal error, literal]