All 4 Uses

annex
in
Angels & Demons
(Edited)

An ossuary annex?
Chpt 61-62

annex = space associated with a main space
Ossuary annexes were a cheap ecclesiastic fix to an awkward dilemma.
Chpt 61-62

annexes = spaces associated with primary spaces
However, if the church did not have space or funds to create tombs for an entire family, they sometimes dug an ossuary annex-a hole in the floor near the tomb where they buried the less worthy family members.
Chpt 61-62

annex = a separate space associated with a main space
Although convenient, the ossuary annex went out of style quickly because of the stench that often wafted up into the cathedral.
Chpt 61-62 *

annex = space associated with a main space

Definitions:

(1) (annex as in: annexed the community)
to take territory and make it part of a larger territory -- such as a city making land outside of it a part of the city
(2) (annex as in: annex of the main building)
an addition that extends a main building

or:

to attach something -- especially to something larger or more important
(3) (meaning too rare to warrant focus)