Definition of "annex" []

• To append or attach, especially to a larger or more significant thing. (verb-transitive)
• To incorporate (territory) into an existing political unit such as a country, state, county, or city. (verb-transitive)
• To add or attach, as an attribute, condition, or consequence. (verb-transitive)
• A building added on to a larger one or an auxiliary building situated near a main one. (noun)
• An addition, such as an appendix, that is made to a record or other document. (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.

• ""This is what we call our annex -- the annex to our camp.""
• "On October 3, the committee suspended publication of the so-called annex bulletin on the Suez situation because of “the preponderance of indications that the UK and France do not intend to resort to force at this time.”"
• "Two other guest rooms occupy a separate wing, and a fourth is located in the attic of the garage annex, which is connected to the house by a glass passageway."