Definition of "ex officio" []

• By virtue of office or position. (adverb)

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.

• ""But now I'm president of the temple, and that makes me chairman ex officio of the Building Committee and I will not be denied.""
• "As Bailiff of Stratford, he was ex officio a justice of the peace; and two warrants are extant, granted by him in December, 1568, for the arrest of John Ball and Richard Walcar on account of debts; both of them bearing witness that “he had a mark to himself, like an honest, plain-dealing man.”"
• "Interesting… his father was listed as an ex officio member of the board, and Lew Parmina was now listed as CEO."