[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.