To make or become more brown.
To cause to contain more racially 'brown' people, elements, or culture.
To become brown due to increased levels of humic material.
To give a reddish-brown colour to.
Of a reddish brown colour, like that of the pigment.
A dusky brown African wading bird (Scopus umbretta) allied to the shoebill and herons; a hamerkop.
A grayling.
A brown clay, somewhat darker than ochre, which contains iron and manganese oxides.