minacachalli.

Headword: 
minacachalli.
Principal English Translation: 

a three-pronged harpoon, like a trident (see attestations)

Attestations from sources in English: 

mjnacachalli [minacachalli] = the three-pronged harpoon (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 1 -- The Gods; No. 14, Part 2, 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, 1950), 16.

themes: 
Technology, Tools
Weapons, Shields, Heraldry