1 a add as a subordinate part. b (often foll. by to) append to a book etc.
2 incorporate (territory of another) into one's own.
3 add as a condition or consequence.
4 colloq. take without right.
Derivatives:
annexation n.
Etymology: ME f. OF annexer f. L annectere (as AN-(2), nectere nex- bind)
Useful english dictionary. 2012.