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]

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "erratum":
   clerical error, corrigendum, error, failure, fault, faute,
   human error, misapprehension, miscalculation, miscarriage,
   misconception, miscount, misdeal, misidentification, misjudgment,
   misplay, misprint, misquotation, misreport, miss, misstatement,
   mistake, misunderstanding, misuse, typo, typographical error