tlatocapilli.

Headword: 
tlatocapilli.
Principal English Translation: 

a royal nobleman (see attestations)

Orthographic Variants: 
tlahtocapilli
Attestations from sources in English: 

yn ipan omomiquilli in yehuatzin tlahtocapilli Don diego luis de moteuhcçoma yhuitltemoctzin = there had passed away the royal nobleman don Diego Luis de Moteucçoma Ihuitltemoctzin
(Mexico City, 1600–1630)
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 202.