a type of (agricultural?) land; attested to be chinampas in one source James Lockhart collection, in a folder called "Land and Economy," citing the Testaments of Culhuacan, 1581; see p. 192..
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 2 -- The Ceremonies, No. 14, Part III, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 64.