Source : Webster's Revised Unabridged Dictionary (1913)

Sechium \Se"chi*um\, n. [NL.: cf. F. s['e]chion; perhaps formed
   fr. Gr. ? cucumber.] (Bot.)
   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.