The Collaborative International Dictionary of English v.0.48:

Numeral \Nu"mer*al\, n.
   1. A figure or character used to express a number; as, the
      Arabic numerals, 1, 2, 3, etc.; the Roman numerals, I, V,
      X, L, etc.
      [1913 Webster]

   2. A word expressing a number.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Numeral \Nu"mer*al\, a. [L. numeralis, fr. numerus number: cf.
   F. num['e]ral. See Number, n.]
   [1913 Webster]
   1. Of or pertaining to number; consisting of number or
      numerals.
      [1913 Webster]

            A long train of numeral progressions. --Locke.
      [1913 Webster]

   2. Expressing number; representing number; as, numeral
      letters or characters, as X or 10 for ten.
      [1913 Webster]

WordNet (r) 3.0 (2006):

numeral
    adj 1: of or relating to or denoting numbers; "a numeral
           adjective" [syn: numeral, numerical, numeric]
    n 1: a symbol used to represent a number; "he learned to write
         the numerals before he went to school" [syn: numeral,
         number]