indigo : Idioms & Phrases

• noun East Indian shrub
  Tephrosia purpurea.
  
• noun dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers
  Amorpha fruticosa; bastard indigo.
  
• noun an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers
  bastard indigo; Amorpha californica.
  

WordNet

• noun wild indigo of the eastern United States having racemes of blue flowers
  Baptisia australis.
  

WordNet

• (Bot.), Isatis indigotica, a kind of woad.

Webster 1913

• noun a variety of indigo snake
  Drymarchon corais couperi.
  

WordNet

• noun any of several plants of the genus Baptisia
  false indigo.
  
• noun dense shrub of moist riverbanks and flood plains of the eastern United States having attractive fragrant foliage and dense racemes of dark purple flowers
  Amorpha fruticosa; bastard indigo.
  
• noun an erect to spreading hairy shrub of the Pacific coast of the United States having racemes of red to indigo flowers
  bastard indigo; Amorpha californica.
  

WordNet

• (Bot.), the fruit of the West Indian shrub Randia aculeata, used as a blue dye.

Webster 1913

• noun small deep blue North American bunting
  Passerina cyanea; indigo bird; indigo bunting.
  

WordNet

• (Zoöl.), a small North American finch (Cyanospiza cyanea). The male is indigo blue in color. Called also indigo bunting.

Webster 1913

• . (a) The essential coloring material of commercial indigo, from which it is obtained as a dark blue earthy powder, with a reddish luster, C16H10N2O2, which may be crystallized by sublimation. Indigo blue is also made from artificial amido cinnamic acid, and from artificial isatine; and these methods are of great commercial importance. Called also indigotin. (b) A dark, dull blue color like the indigo of commerce.

Webster 1913

• noun much-branched erect herb with bright yellow flowers; distributed from Massachusetts to Florida
  rattle weed; Baptisia tinctoria; horsefly weed.
  

WordNet

• (Chem.), a brown resinous substance found in crude indigo.

Webster 1913

• noun small deep blue North American bunting
  Passerina cyanea; indigo bird; indigo bunting.
  

WordNet

• (Min.), covellite.

Webster 1913

• noun small deep blue North American bunting
  Passerina cyanea; indigo bird; indigo bunting.
  

WordNet

• a green obtained from indigo.

Webster 1913

• noun deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye
  Indigofera tinctoria; indigo.
  

WordNet

• (Bot.), a leguminous plant of several species (genus Indigofera), from which indigo is prepared. The different varieties are natives of Asia, Africa, and America. Several species are cultivated, of which the most important are the I. tinctoria, or common indigo plant, the I. Anil, a larger species, and the I. disperma.

Webster 1913

• a purple obtained from indigo.

Webster 1913

• a dyestuff, isomeric with indigo blue, obtained from crude indigo as a dark brown amorphous powder.

Webster 1913

• noun large dark-blue nonvenomous snake that invades burrows; found in southern North America and Mexico
  gopher snake; Drymarchon corais.
  

WordNet

• (Zoöl.), the gopher snake.

Webster 1913

• noun eastern camas; eastern and central North America
  wild hyacinth; Camassia scilloides.
  

WordNet

• a white crystalline powder obtained by reduction from indigo blue, and by oxidation easily changed back to it; called also indigogen.

Webster 1913

• a substance obtained from indigo.

Webster 1913

• noun erect or spreading herb having racemes of creamy white flowers; the eastern United States
  Baptisia lactea.
  

WordNet

• noun any of several plants of the genus Baptisia
  false indigo.
  

WordNet

• (Bot.), the American herb Baptisia tinctoria which yields a poor quality of indigo, as do several other species of the same genus.

Webster 1913