Meaning

noun a beverage made from cocoa powder and milk and sugar; usually drunk hot

noun powder of ground roasted cacao beans with most of the fat removed

originFrom Spanish cacao, from Classical Nahuatl cacahuatl. The form cocoa came about by confusion with coco, popularized by Samuel Johnson's A Dictionary of the English Language. Doublet of cacao.

Etymology from Wiktionary, CC BY-SA 3.0