Ros"in (?), n. [A variant of resin.] The hard, amber-colored resin left after distilling off the volatile oil of turpentine; colophony.
Rosin oil, an oil obtained from the resin of the pine tree, -- used by painters and for lubricating machinery, etc.
© Webster 1913.
Ros"in, v. t. To rub with rosin, as musicians rub the bow of a violin.
Or with the rosined bow torment the string.
Gay.
© Webster 1913. | 
