NOUN (1)

1. an inaccurate count;


VERB (1)

1. count wrongly;

The Collaborative International Dictionary of English v.0.48:

Miscount \Mis*count"\, v. t. & i. [Cf. OF. mesconter, F.
   m['e]compter. Cf. Miscompute.]
   To count erroneously.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Miscount \Mis*count"\, n. [Cf. F. m['e]compte error, OF.
   mesconte.]
   1. An erroneous counting.
      [1913 Webster]

   2. Specifically: An erroneous count of ballots cast in an
      election.
      [PJC]

WordNet (r) 3.0 (2006):

miscount
    n 1: an inaccurate count
    v 1: count wrongly