What is the meaning of Umber?

A brown clay, somewhat darker than ochre, which contains iron and manganese oxides.

Alternative form of umbrere.

A grayling.

A dusky brown African wading bird (Scopus umbretta) allied to the shoebill and herons; a hamerkop.

Of a reddish brown colour, like that of the pigment.

To give a reddish-brown colour to.

Umbrian

an Umbrian; also a breed of sheep and dog

Source: wiktionary.org