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]

The Collaborative International Dictionary of English v.0.48:

jack-in-the-pulpit \jack-in-the-pulpit\ n.
   1. A common American spring-flowering woodland herb
      (Aris[ae]ma triphyllum) having sheathing leaves and an
      upright club-shaped spadix with overarching green and
      purple spathe producing scarlet berries; also called
      Indian turnip.

   Syn: Indian turnip, wake-robin, Arisaema triphyllum,
        Arisaema atrorubens.
        [WordNet 1.5]

   2. A common European arum (Arum maculatum) with lanceolate
      spathe and short purple spadix; it emerges in early spring
      and is a source of a sagolike starch called arum.

   Syn: cuckoo-pint, cuckoopint, lords and ladies,
        lords-and-ladies, Arum maculatum.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Lords and Ladies \Lords" and La"dies\n. (Bot.)
   The European wake-robin (Arum maculatum), -- those with
   purplish spadix the lords, and those with pale spadix the
   ladies. --Dr. Prior.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wake-robin \Wake"-rob`in\, n. (Bot.)
   Any plant of the genus Arum, especially, in England, the
   cuckoopint (Arum maculatum).
   [1913 Webster]

   Note: In America the name is given to several species of
         Trillium, and sometimes to the Jack-in-the-pulpit.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cuckoopint \Cuck"oo*pint`\ (-p?nt`), n. (Bot.)
   A plant of the genus Arum (Arum maculatum); the European
   wake-robin.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

cuckoopint \cuck"oo*pint`\, cuckoo-pint \cuck"oo-pint`\n.
   a common European arum (Arum maculatum) with lanceolate
   spathe and short purple spadix; it emerges in early spring,
   and is the source of a sagolike starch called arum.

   Syn: cuckoopint, lords and ladies, lords-and-ladies,
        jack-in-the-pulpit, Arum maculatum.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Arum maculatum
    n 1: common European arum with lanceolate spathe and short
         purple spadix; emerges in early spring; source of a starch
         called arum [syn: cuckoopint, lords-and-ladies, jack-
         in-the-pulpit, Arum maculatum]