What is "cycas revoluta"

Sago \Sa"go\ (s[=a]"g[-o]), n. [Malay. s[=a]gu.] A dry granulated starch imported from the East Indies, much used for making puddings and as an article of diet for the sick; also, as starch, for stiffening textile fabrics. It is prepared from the stems of several East Indian and Malayan palm trees, but chiefly from the Metroxylon Sagu; also from several cycadaceous plants ( Cycas revoluta, Zamia integrifolia, etc.). Portland sago, a kind of sago prepared from the corms of the cuckoopint ( Arum maculatum). Sago palm. (Bot.)

1. A palm tree which yields sago.

2. A species of Cycas ( Cycas revoluta).

   Sago spleen (Med.), a morbid condition of the spleen, produced by amyloid degeneration of the organ, in which a cross section shows scattered gray translucent bodies looking like grains of sago.

Cycas revoluta (Sotetsu [Japanese ソテツ], sago palm, king sago, sago cycad, Japanese sago palm), is a species of gymnosperm in the family Cycadaceae, native to southern Japan including the Ryukyu Islands. It is one of several species used for the production of sago, as well as an ornamental plant.