noun ·see ocher.
2. ochre ·noun a metallic oxide occurring in earthy form; as, tungstic ocher or tungstite.
3. ochre ·noun 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.