denomination

Short definition from Wiktionary

Noun

1. 1
   The act of naming or designating.
2. 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.
3. 3
   A class, or society of individuals, called by the same name; a subdivision of a religion.
4. 4
   A unit in a series of units of weight, money, etc.