noun
1. usually capitalized V
a. : an earthy hematite used as a pigment
b. : a synthetic iron oxide pigment that is made usually by calcining copperas with lime and consists essentially of ferric oxide and calcium sulfate — compare indian red 1
2. often capitalized V
a. : a strong reddish brown that is yellower and slightly lighter than Indian red and yellower, stronger, and very slightly darker than Morocco red — called also Siena, Sierra
b. : a moderate reddish brown that is yellower and deeper than mahogany (sense 5)