Dictionary.net

• A brown bole or ochre from Sienna, in Italy, used as a pigment.

1914 - Nuttall's Standard dictionary of the English language
By Nuttall, P.Austin.

• A ferruginous ochreous earth used as a pigment in both oil and water-colour painting, when burnt becoming of a deep-orange tint.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.