Rosinous - English meaning

noun

Resin, especially the solid amber residue obtained after the distillation of crude turpentine oleoresin, or of naphtha extract from pine stumps. it is used in adhesives, varnishes, and inks and for treating the bows of stringed instruments.

Usage examples:

They will also supply crushed colophony rosin

verb

Rub (something, especially a violin bow or string) with rosin.

Usage examples:

Island musicians are rosining their bows

noun

Yellow resin (= sticky substance produced by certain trees and plants) that has become hard, used especially on the hairs of bows of stringed musical instruments to prevent the hairs from sliding over the strings