Definition of tolguacha
: any of several plants of the genus Datura; especially : a narcotic annual herb (D. meteloides) used ceremonially by some California Indians
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Origin and Etymology of tolguacha
Mexican Spanish toloache, toloachi, from Nahuatl toloatzin, from toloa to nod + -tzin, honorific particle; from the reverence borne such plants by American Indians
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