Is “Umber” a Scrabble word?

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

2.A grayling.

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

1.To give a reddish-brown colour to.

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

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