[1] : The Collaborative International Dictionary of English v.0.48

indigo \in"digo\, n.; pl. indigoes. f. indigo, sp. indigo,
   indico, l. indicum indigo, fr. indicus indian. see indian.
   1913 webster
   1. a kind of deep blue, one of the seven prismatic colors.
      1913 webster

   2. chem. a blue dyestuff obtained from several plants
      belonging to very different genera and orders, such as,
      the woad, isatis tinctoria family cruciferae,
      indigofera suffroticosa, indigofera tinctoria family
      leguminosae, indigofera anil, nereum tinctorium,
      polygonum tinctorium ait. family polygonaceae, etc.;
      called also natural indigo. it is a dark blue earthy
      substance, tasteless and odorless, with a copper-violet
      luster when rubbed. indigo does not exist in the plants as
      such, but is obtained by decomposition of the glycoside
      indican.
      1913 webster

   note: commercial indigo contains the essential coloring
         principle indigo blue or indigotine, with several other
         dyes; as, indigo red, indigo brown, etc., and various
         impurities. indigo is insoluble in ordinary reagents,
         with the exception of strong sulphuric acid.
         1913 webster

   chinese indigo bot., isatis indigotica, a kind of woad.
      

   wild indigo bot., the american herb baptisia tinctoria
      which yields a poor quality of indigo, as do several other
      species of the same genus.
      1913 webster
see also:
indigoes indian isatis tinctoria cruciferae indigofera suffroticosa indigofera tinctoria 
leguminosae indigofera anil nereum tinctorium polygonum tinctorium polygonaceae 
natural indigo indican chinese indigo isatis indigotica wild indigo 
baptisia tinctoria 

[2] : WordNet (r) 2.0

wild indigo
     n : any of several plants of the genus baptisia syn: false
         indigo
see also:
false indigo 

Indigo >> I Words
Indigo, definition of term: Indigo
indigo_pag1.html

Wild >> W Words
Wild, definition of term: Wild
wild_pag1.html

Wild Onion >> W Words
Wild Onion, definition of term: Wild Onion
wild+onion_pag1.html

Wild Oat >> W Words
Wild Oat, definition of term: Wild Oat
wild+oat_pag1.html

Wild Horse >> W Words
Wild Horse, definition of term: Wild Horse
wild+horse_pag1.html

Wild Rice >> W Words
Wild Rice, definition of term: Wild Rice
wild+rice_pag1.html

Wild Rose >> W Words
Wild Rose, definition of term: Wild Rose
wild+rose_pag1.html

Wild West >> W Words
Wild West, definition of term: Wild West
wild+west_pag1.html

Wild Turkey >> W Words
Wild Turkey, definition of term: Wild Turkey
wild+turkey_pag1.html

Wild Sheep >> W Words
Wild Sheep, definition of term: Wild Sheep
wild+sheep_pag1.html

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