Principal English Translation: 

artisan who makes mats (plural = petlachiuhque); root = petlatl, a woven mat
The Tlaxcalan Actas: A Compendium of the Records of the Cabildo of Tlaxcala (1545-1627), eds. James Lockhart, Frances Berdan, and Arthur J.O. Anderson (Salt Lake City: University of Utah Press, 1986), 63.

Attestations from sources in English: 

José Tochihuitl was a petlachiuhqui of late sixteenth-century Tula.
Fray Alonso de Molina, Nahua Confraternities in Early Colonial Mexico: The 1552 Nahuatl Ordinances of fray Alonso de Molina, OFM, ed. and trans., Barry D. Sell (Berkeley: Academy of American Franciscan History, 2002), 56.

tolpetlachiuhque = a reed-mat maker, a reed-mat weaver (having the added tol- from (tolin, sedge rushes)