In the Aztec military, tlacateccatl (tɬaːkaˈteːkkatɬ) was a title roughly equivalent to general

General

A general officer is an officer of high military rank, usually in the army, and in some nations, the air force. The term is widely used by many nations of the world, and when a country uses a different term, there is an equivalent title given....

. The tlacateccatl was in charge of the tlacatecco, a military quarter in the center of the Aztec capital, Tenochtitlan. In wartime he was second-in-command to the tlatoani

Tlatoani

Tlatoani is the Nahuatl term for the ruler of an altepetl, a pre-Hispanic state. The word literally means "speaker", but may be translated into English as "king". A is a female ruler, or queen regnant....

("ruler", "king") and the tlacochcalcatl

Tlacochcalcatl

Tlacochcalcatl was an Aztec military title or rank; roughly equivalent to the modern title of High General. In Aztec warfare the tlacochcalcatl was second in command only to the tlatoani and he usually lead the Aztec army into battle when the ruler was otherwise occupied...

("high general"). The tlacateccatl was always a member of the military order of the Cuachicqueh, "the shorn ones".