chayotePronunciation: /ˈtʃeɪəʊti/Definition of chayote noun 1a succulent green pear-shaped tropical fruit which resembles cucumber in flavour. 2the tropical American vine which yields the chayote, also producing an edible yam-like tuberous root. Sechium edule, family Cucurbitaceae Origin: late 19th century: from Spanish, from Nahuatl chayotlichayote in other Oxford dictionaries Definition of chayote in the US English dictionary