Pi·er·id n.  Zool. Any butterfly of the genus Pieris and related genera. See Cabbage butterfly, under Cabbage.

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 White n.
 1. The color of pure snow; one of the natural colors of bodies, yet not strictly a color, but a composition of all colors; the opposite of black; whiteness.  See the Note under Color, n., 1.
    Finely attired in a of white.   --Shak.
 2. Something having the color of snow; something white, or nearly so; as, the white of the eye.
 3. Specifically, the central part of the butt in archery, which was formerly painted white; the center of a mark at which a missile is shot.
    'T was I won the wager, though you hit the white.   --Shak.
 4. A person with a white skin; a member of the white, or Caucasian, races of men.
 5. A white pigment; as, Venice white.
 6. Zool. Any one of numerous species of butterflies belonging to Pieris, and allied genera in which the color is usually white.  See Cabbage butterfly, under Cabbage.
 Black and white. See under Black.
 Flake white, Paris white, etc. See under Flack, Paris, etc.
 White of a seed Bot., the albumen.  See Albumen, 2.
 White of egg, the viscous pellucid fluid which surrounds the yolk in an egg, particularly in the egg of a fowl. In a hen's egg it is alkaline, and contains about 86 per cent of water and 14 per cent of solid matter, the greater portion of which is egg albumin. It likewise contains a small amount of globulin, and traces of fats and sugar, with some inorganic matter.  Heated above 60° C. it coagulates to a solid mass, owing to the albumin which it contains. --Parr.
 White of the eye Anat., the white part of the ball of the eye surrounding the transparent cornea.


 cab·bage butterfly Zoöl., a white butterfly (Pieris rapæ of both Europe and America, and the allied Pieris oleracea, a native American species) which, in the larval state, devours the leaves of the cabbage and the turnip. See also Cabbage worm, below.

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 cabbage butterfly
      n : white butterfly whose larvae (cabbageworms) feed on cabbage