tlaciuhqui.

Headword: 
tlaciuhqui.
Principal English Translation: 

a diviner (Sahagún); an astrologer or reader of the stars (Molina); or a rainmaker (Lockhart, translating the Florentine Codex, Book 12, f. 12v)
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan (Norman: University of Oklahoma Press, 1997), 210.

Orthographic Variants: 
tlaçiuhqui
Alonso de Molina: 

tlaciuhqui. astrologo, o estrellero.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 118r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

tlaciuhqui = the wise man of the Otomí
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 10 -- The People, No. 14, Part 11, 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, 1961), 177.

themes: 
Celestial Phenomena
Nahuales, Sorcery, Divining
Religion (Indigenous)