1 To join or attach; usually to subjoin; to affix; to append; — followed by to. “He annexed a codicil to a will.” Johnson.
2 To join or add, as a smaller thing to a greater. He annexed a province to his kingdom. Johnson.
3 To attach or connect, as a consequence, condition, etc.; as, to annex a penalty to a prohibition, or punishment to guilt.
To join; to be united. Tooke.
Something annexed or appended; as, an additional stipulation to a writing, a subsidiary building to a main building; a wing.