To add something to another, to incorporate into. (verb)
Examples of word annex
"This is what we call our annex -- the annex to our camp."
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.
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.”
While the Fountainebleu apartments sit across from an entrance to the university, it also is operated with a smaller property known as the annex, which doesn't have its own cafeteria, so residents must walk several blocks to the Fountainebleu if they want to eat in a dining facility.
The Kyoto Protocol depended heavily on the commitments of the so-called annex one countries who were seen at the time as the biggest polluters.
Terry Opdendyk Others are considering so-called annex funds, which are side funds that can provide an extra pool of money.