D defs.my
Entry 2 senses · 2 variants Webster, 1913

Rosin

/räz'-ən/ · Ros·in · IPA /ˈɹɑz.ən/
01 n. The hard, amber-colored resin left after distilling off the volatile oil of turpentine; colophony.
  1. 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.
02 v. t. To rub with rosin, as musicians rub the bow of a violin.
  1. 1.
    To rub with rosin, as musicians rub the bow of a violin.
    “Or with the rosined bow torment the string.” Gay.