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

ocher \o"cher\, ochre \o"chre\, n. f. ocre, l. ochra, fr. gr.
   ?, from ? pale, pale yellow.
   1. min.
      a a impure earthy ore of iron or a ferruginous clay,
          usually red hematite or yellow limonite, -- used
          as a pigment in making paints, etc. the name is also
          applied to clays of other colors.
      b a metallic oxide occurring in earthy form; as,
          tungstic ocher or tungstite.
          1913 webster

   2. the color of ocher1, varying around orange, from more
      yellowish to more reddish in tint.
      pjc

[2] : WordNet (r) 2.0

ocher
     adj : of a moderate orange-yellow color syn: ochre
     n 1: a moderate yellow-orange to orange color syn: ochre
     2: any of various earths containing silica and alumina and
        ferric oxide; used as a pigment syn: ochre
see also:
ochre 

Ocher >> O Words
Ocher, definition of term: Ocher
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