The Collaborative International Dictionary of English v.0.48:

Gomuti \Go*mu"ti\, n. [Malayan gumuti.]
   A black, fibrous substance resembling horsehair, obtained
   from the leafstalks of two kinds of palms, Metroxylon Sagu,
   and Arenga saccharifera, of the Indian islands. It is used
   for making cordage. Called also ejoo.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

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]

WordNet (r) 3.0 (2006):

Metroxylon sagu
    n 1: Malaysian palm whose pithy trunk yields sago--a starch used
         as a food thickener and fabric stiffener; Malaya to Fiji
         [syn: true sago palm, Metroxylon sagu]