denomination

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A large group of religious congregations united under a common faith and name, usually organized under a single administrative and legal hierarchy.
• noun One of a series of kinds, values, or sizes, as in a system of currency or weights.
• noun A name or designation, especially for a class or group.

from The Century Dictionary.

• noun In any system of reckoning, a class of units of one kind and having a specific name, as tens, hundreds, thousands, etc., in numbers; dollars or cents in values; pounds, hundredweights, tons, etc., in expressing quantity; inches, feet, yards, miles, etc., in measures of length, etc.: as, an issue of paper money of small denomination.
• noun The act of naming: as, Linnæus's denomination of plants.
• noun A name or appellation; especially, a collective designation.
• noun A class, society, or collection of individuals called by the same name; specifically, a religious sect: as, the Methodist denomination.
• noun Synonyms Appellation, etc. See name, n.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of naming or designating.
• noun 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.
• noun A class, or society of individuals, called by the same name; a sect.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun uncountable The act of naming or designating.
• noun countable 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.
• noun countable A class, or society of individuals, called by the same name; a sect; as, a religious denomination.
• noun countable A unit in a series of units of weight, money, etc

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a class of one kind of unit in a system of numbers or measures or weights or money
• noun identifying word or words by which someone or something is called and classified or distinguished from others
• noun a group of religious congregations having its own organization and a distinctive faith