Meanings
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1
adj
reddish-brown or rust-colored, especially in descriptions of animal fur or plumage
The bird was identified by the rufous feathers across its throat.
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2
noun
a rufous or reddish-brown color
The butterfly's wings shaded from black at the edges to rufous near the body.
Thesaurus
Etymology
Borrowed from Latin rufus ("red, reddish"). The adjective became especially common in zoological descriptions of rust-red or reddish-brown coats, feathers, and markings.