roset I. ro·set\(ˈ)rō|zet\noun (-s) Etymology: Middle English, from Middle French rosete, rosette, literally, small rose, from Old French — more at rosette 1.obsolete: a red color used by painters 2.: brazil 2 II. ros·et\ˈräzə̇t\noun (-s) Etymology: alteration of Middle English rosin, rosine rosin chiefly Scotland: resin III. rosettransitive verb Scotland: to rub with resin