The Collaborative International Dictionary of English v.0.48:

Hebraism \He"bra*ism\, n. [Cf. F. h['e]bra["i]sme.]
   [1913 Webster]
   1. A Hebrew idiom or custom; a peculiar expression or manner
      of speaking in the Hebrew language. --Addison.
      [1913 Webster]

   2. The type of character of the Hebrews.
      [1913 Webster]

            The governing idea of Hebraism is strictness of
            conscience.                           --M. Arnold.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Hebraism
    n 1: Jews collectively who practice a religion based on the
         Torah and the Talmud [syn: Judaism, Hebraism, Jewish
         religion]