milcocolli.

Headword: 
milcocolli.
Principal English Translation: 

land dimensions following the perimeter, or quadrilaterals; a type of cadaster

("contour, figure des terres, des propriétés")
from Aubin; see http://nahuatl_french.fracademic.com/14444/MILCOCOLLI

(Tepetlaoztoc, mid-sixteenth century)
Barbara J. Williams and H. R. Harvey, The Códice de Santa María Asunción: Facsimile and Commentary: Households and Lands in Sixteenth-Century Tepetlaoztoc (Salt Lake City: University of Utah Press, 1997), 67.

Orthographic Variants: 
milconcoli, milcocoli
Attestations from sources in English: 

Cuauhtepuztitla milconcoli = land register of Cuauhtepuztitla; also: Cuauhtepuztitla Milcocoli = Land Register of Cuauhtepuztitla
(Tepetlaoztoc, sixteenth century)
Barbara J. Williams and H. R. Harvey, The Códice de Santa María Asunción: Facsimile and Commentary: Households and Lands in Sixteenth-Century Tepetlaoztoc (Salt Lake City: University of Utah Press, 1997), 102–103, 124, 127.

"...the place glyph and gloss of the locality again appear together with the term milcocoli, signifying the beginning of the census of lands owned or used by each household.” (p. 52)
Barbara J. Williams, "Pictorial Representation of Soils in the Valley of Mexico: Evidence from the Codex Vergara," Geoscience and Man 21 (1980), 51–62.