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