'Sago palm' definitions:

Definition of 'sago palm'

noun

Any of various tropical Asian palm trees the trunks of which yield sago

noun

Dwarf palmlike cycad of Japan that yields sago [syn: sago palm, Cycas revoluta]

From: GCIDE

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.). [1913 Webster]
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. [1913 Webster]