Sa″go (sā″gō̍), n. [Malay. sāgu.] 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.) (a) A palm tree which yields sago. (b) 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.