umber

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

A grayling.

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

To give a reddish-brown colour to.

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

In ancient armour, a visor, or projection like the peak of a cap, to which a fixed or movable faceguard was sometimes attached.