sechium
Se"chi*um, n. Etym: [NL.: cf. F. séchion; perhaps formed fr. Gr. (Bot.) Defn: The edible fruit of a West Indian plant (Sechium edule) of the Gourd family. It is soft, pear-shaped, and about four inches long, and contains a single large seed. The root of the plant resembles a yam, and is used for food.