chayote Syllabification: (cha·yo·te)Pronunciation: /CHäˈyōtē/Definition of chayote noun 1a green pear-shaped tropical fruit that resembles cucumber in flavor. 2the tropical American vine that yields the chayote, also producing an edible yamlike tuberous root. Sechium edule, family Cucurbitaceae Origin: late 19th century: from Spanish, from Nahuatl chayotlichayote in other Oxford dictionaries Definition of chayote in the British & World English dictionary