1. A large group of religious congregations united under a common faith and name, usually organized under a single administrative and legal hierarchy.
2. One of a series of kinds, values, or sizes, as in a system of currency or weights: Cash registers have slots for bills of different denominations. The stamps come in 40¢ and 70¢ denominations.
3. A name or designation, especially for a class or group.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.