a house of fasting; a place where men broke their flutes or whistles (see attestations)
in neçaoalcalli, itocaiocan tlacochcalco, ioan tlacatecco, in jchan vitzilopuchtli = the house of fasting, a place named Tlacochcalco, or Tlacatecco, the house of Uitzilopochtli [Huitzilopochtli] (central Mexico, sixteenth century)
juh mjtoa yn oacic, in vncan mjquja teucaltontli icaia, itoca tlacochcalco: çan inoma in tleco, çan monomatlecauja, in vmpa mjquiz: in ce tlamamatlatl contlecauja, in ce conpanauja, ce vncan qujxamanja, qujpuztequj yn itlapitzal, yn jvilacapitz, etc = So, it was said, when he arrived where he was to die, [where] a small temple stood, called Tlacochcalco, he ascended by himself, of his free will, to the place where he was to die. When he climbed the first step, as he passed one [step], he there broke, shattered his flute, his whistle, etc. (sixteenth century, Mexico City)