teocomitl.

Headword: 
teocomitl.
Principal English Translation: 

a large spine (see Molina); perhaps also asacred bowl

Angel Julián García Zambrano, "Ancestral Rituals of Landscape Exploration and Appropriation among Indigenous Communities in Early Colonial Mexico," in Sacred Gardens and Landscapes: Ritual and Agency, ed. Michel Conan (Washington, D.C.: Dumbarton Oaks Research Library and Collection, Harvard University Press, 2007), 194.

Alonso de Molina: 

teocomitl. espino grande.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 100r. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

The Digital Florentine Codex includes a passage about a large spine called teocomitl that, when stepped on, will cause the foot to swell greatly.
Book 11, f. 201v, https://florentinecodex.getty.edu/book/11/folio/201v

themes: 
Ceramics, Pottery