an earth consisting chiefly of a hydrated oxide of iron and some oxide of manganese, used in its natural state as a brown pigment (raw umber) or, after heating, as a reddish-brown pigment (burnt umber).
2.
the color of such a pigment; dark dusky brown or dark reddish brown.
3.
Ichthyology. the European grayling, Thymallus thymallus.
4.
North EnglandDialect. shade; shadow.
adjective
5.
of the color umber.
verb (used with object)
6.
to color with or as if with umber.
Origin: 1250–1300; Middle English umbre, umber shade, shadow < Old French umbre < Latin umbra; in sense “earth” < French terre d'ombre or Italian terra di ombra