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 ocher[1], varying around orange, from more yellowish to more reddish in tint. [PJC]

Source: The Collaborative International Dictionary of English v.0.48
 

ocher adj : of a moderate orange-yellow color [syn: ochre]

noun

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]

Source: WordNet (r) 2.0
 

Ocher \O"cher\, Ochre \O"chre\, n. [F. ocre, L. ochra, fr. Gr. ?, from (?) pale, pale yellow.]

(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.

Source: Webster's Revised Unabridged Dictionary (1913)