Definition of "red ochre" []

• A clay-like material, containing ferric oxide, used as a pigment (noun)

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• "The young women walked back to the Mammoth Hearth with some small mortars and pestles, and several lumps of red ochre coloring material in various shades."
• "When the level prairie merged into low rolling hills, dotted with fescue and feather grass and red with the richness of iron ore -- the red ochre making it hallowed ground -- Brun knew the salt marsh was not far beyond."
• "The leather had been dyed a deep brownish red, with fine-powdered red ochre mixed into the bear fat that had been used to cure the cave bear skin it was made from."