Definition of Annex

Annex

1. To join or attach; usually to subjoin; to affix; to append; -- followed by to.
2. To join or add, as a smaller thing to a greater.
3. To attach or connect, as a consequence, condition, etc.; as, to annex a penalty to a prohibition, or punishment to guilt.
4. To join; to be united.
5. Something annexed or appended; as, an additional stipulation to a writing, a subsidiary building to a main building; a wing.