The Collaborative International Dictionary of English v.0.48:

Turnsole \Turn"sole`\, n. [F. tournesol, It. tornasole; tornare
   to turn (LL. tornare) + sole the sun, L. sol. See Turn,
   Solar, a., and cf. Heliotrope.] [Written also turnsol.]
   1. (Bot.)
      (a) A plant of the genus Heliotropium; heliotrope; -- so
          named because its flowers are supposed to turn toward
          the sun.
      (b) The sunflower.
      (c) A kind of spurge (Euphorbia Helioscopia).
      (d) The euphorbiaceous plant Chrozophora tinctoria.
          [1913 Webster]

   2. (Chem.)
      (a) Litmus. [Obs.]
      (b) A purple dye obtained from the plant turnsole. See
          def. 1
      (d) .
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wart \Wart\, n. [OE. werte, AS. wearte; akin to D. wrat, G.
   warze, OHG. warza, Icel. varta, Sw. v[*a]rta, Dan. vorte;
   perh. orig., a growth, and akin to E. wort; or cf. L. verruca
   wart.]
   [1913 Webster]
   1. (Med.) A small, usually hard, tumor on the skin formed by
      enlargement of its vascular papillae, and thickening of
      the epidermis which covers them.
      [1913 Webster]

   2. An excrescence or protuberance more or less resembling a
      true wart; specifically (Bot.), a glandular excrescence or
      hardened protuberance on plants.
      [1913 Webster]

   Fig wart, Moist wart (Med.), a soft, bright red, pointed
      or tufted tumor found about the genitals, often massed
      into groups of large size. It is a variety of condyloma.
      Called also pointed wart, venereal wart. --L. A.
      Duhring.

   Wart cress (Bot.), the swine's cress. See under Swine.

   Wart snake (Zool.), any one of several species of East
      Indian colubrine snakes of the genus Acrochordus, having
      the body covered with wartlike tubercles or spinose
      scales, and lacking cephalic plates and ventral scutes.

   Wart spurge (Bot.), a kind of wartwort (Euphorbia
      Helioscopia).
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wartwort \Wart"wort`\, n. (Bot.)
   A name given to several plants because they were thought to
   be a cure for warts, as a kind of spurge (Euphorbia
   Helioscopia), and the nipplewort (Lampsana communis).
   [1913 Webster]

WordNet (r) 3.0 (2006):

Euphorbia helioscopia
    n 1: not unattractive European weed whose flowers turn toward
         the sun [syn: sun spurge, wartweed, wartwort,
         devil's milk, Euphorbia helioscopia]