[for a governmental body of a town or city] to attach a parcel of land onto an existing parcel of land through legal proceedings. The village annexed some adjacent land to itself.The adjoining lot was annexed to the site to allow for a bigger building.
[for the owner of a parcel of land] to have land attached to an adjacent town or city. Our community doesn't want to annex to Adamsville.The town voted to annex to the neighboring city of Smithton.