Source : Webster's Revised Unabridged Dictionary (1913)

Denomination \De*nom`i*na"tion\, n. [L. denominatio metonymy:
   cf. F. d['e]nomination a naming.]
   1. The act of naming or designating.

   2. That by which anything is denominated or styled; an
      epithet; a name, designation, or title; especially, a
      general name indicating a class of like individuals; a
      category; as, the denomination of units, or of thousands,
      or of fourths, or of shillings, or of tons.

            Those [qualities] which are classed under the
            denomination of sublime.              --Burke.

   3. A class, or society of individuals, called by the same
      name; a sect; as, a denomination of Christians.

   Syn: Name; appellation; title. See {Name}.

Source : WordNet®

denomination
     n 1: a group of religious congregations having its own
          organization and a distinctive faith
     2: a class of one kind of unit in a system of numbers or
        measures or weights or money; "he flashed a fistful of
        bills of large denominations"
     3: identifying word or words by which someone or something is
        called and classified or distinguished from others [syn: {appellation},
         {designation}, {appellative}]