See denomination in Webster's New World College Dictionary
noun
the act of denominating
a name; esp., the name of a class of things
a class or kind (esp. of units in a system) having a specific name or value: coins or stamps of different denominations
a particular religious body, with a specific name, organization, etc.
See denomination in American Heritage Dictionary 4
(dĭ-nŏmˌə-nāˈshən)
noun
A large group of religious congregations united under a common faith and name and organized under a single administrative and legal hierarchy.
One of a series of kinds, values, or sizes, as in a system of currency or weights: Cash registers have compartments for bills of different denominations. The stamps come in 25¢ and 45¢ denominations.
A name or designation, especially for a class or group.