- A cleric ranking just below a priest in the Anglican, Eastern Orthodox, and Roman Catholic churches. (noun)
- A Protestant layperson who assists the minister in various functions. (noun)
- Used as a title prefixed to the surname of such a person: Deacon Brown. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.