a long lip plug (see Molina); a labret (a pierced lip ornament) (see attestations); perhaps this should be tenzacatl, and the "n" of tentli has inadvertently dropped away?
a deity; "Mirror-Snake Tortoise-Bench" -- another name for Mayahuel, the goddess of the maguey plant, the source of octli; one of several maternal fertility goddesses
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan, et al. (Norman: University of Oklahoma Press, 1997), 110.