the GNU version of the Collaborative International Dictionary of English
adj. Reddish; of a yellowish red or brownish red color; tawny.
The Century Dictionary and Cyclopedia
Of a dull-red color; red but somewhat deficient in chroma: thus, a bay or chestnut horse is rufous; Venetian red is rufous. It enters into the specific name of many animals, technically called rufus, rufescens, etc.
Word Usage
"The remaining laughing-thrushes are known as the rufous-chinned"