Definition of "umber" in English

noun

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

2. Alternative form of umbrere.

3. A grayling.

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

adjective

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

verb

1. (transitive) To give a reddish-brown colour to.