Rosin /(?)/

Ros·in

Rosin

n.
  1. The hard, amber-colored resin left after distilling off the volatile oil of turpentine; colophony.

Phrases & Compounds

Rosin oil
an oil obtained from the resin of the pine tree, -- used by painters and for lubricating machinery, etc.

Rosin

v. t.
  1. To rub with rosin, as musicians rub the bow of a violin.
    Or with the rosined bow torment the string.