In precolumbian Aztec society a Calpulli (from the Nahuatl[kalpo:lli] meaning "large house") was the designation of an organisational unit below the level of the Altepetl "citystate". A Nahua citystate was divided into a number of calpullis that each constituted a unit where the calpulli inhabitants were collectively responsible for different organizational and religious tasks in relation to the larger altepetl. Calpullis controlled land which was available for calpulli members to cultivate and… (More on Calpulli)