As used in this chapter, unless otherwise expressly stated:

(1) “Commission” means Regional Planning Commission of New Castle County in § 3003 of this title but shall mean the Department of Land Use in all other sections.

(2) “County” means New Castle County.

(3) “District” means Regional Planning District of New Castle County, which comprises all that portion of the County not included within the corporate limits of any city or town, unless any territory within such corporate limits is included upon request made by the governing body or authority of any such city or town.

(4) “Plan” means the map, plat, or other document verbally or graphically illustrating or describing a plan of subdivision or land development.

(5) “Recorder of Deeds” means Recorder of Deeds in and for New Castle County.

(6) “Regulations” means land subdivision regulations.

(7) “Structure” means any man-made object having an ascertainable stationary location on land or in water, whether or not affixed to the land.

(8) “Subdivide” means the subdivision of land as defined in paragraph (10) of this section, or any act directed toward the present or future subdivision of land.

(9) “Subdivider” means any person, or agent thereof, who undertakes the subdivision of land; or any successor to the rights of said person in said land.

(10) “Subdivision” means:

a. The division or redivision of a lot, tract, or parcel of land, by any means, including by means of a plan or plat or a description by metes and bounds, into 2 or more lots, tracts, parcels or other divisions of land, for the purpose, whether immediate or future, of lease, of the transfer of ownership or of building development, exempting, however, the division of land for agricultural purposes into parcels of more than 10 acres not involving any new streets or easements of access, divisions of property by testamentary or intestate provisions, or divisions of property upon court order;

b. The division or allocation of land for the opening, widening or extension of any street or streets, or the division or allocation of land as open spaces for common use by owners, occupants or leaseholders, or as easements for the extension and maintenance of public sewer, water supply, storm drainage or other public facilities.

9 Del. C. 1953, § ?3001; 55 Del. Laws, c. 49; 60 Del. Laws, c. 468, § ?3; 70 Del. Laws, c. 186, § ?1; 71 Del. Laws, c. 401, § ?89;