In English law, the uniting of lands or rents to the crown. American Dictionary of the English Language , Noah Webster 1828, Vol. I. , page 9. The union of one thing to another. It has been applied to denote the union of Texas to the United States.
Actual annexation includes every movement by which a chattel can be joined or united to a freehold.
Constructive annexation is the union of such things as have been holden parcel of realty, but which are not actually annexed, fixed, or fastened to the freehold. One of the requisites to convert a chattel into a part of the realty is that it must be the intent of the party making the annexation, to make a permanent accession to the freehold, which will be implied, if he erects such structures as ordinarily attach to the land, without agreement to the contrary with the owner. St. Rep. 56. Law Dictionary, James A. Ballentine , Second Edition, 1948. The attempted annexation of a territory to a municipality wherein facts essential to jurisdiction over the proceedings are wholly wanting.