rosin

 
Pronunciation: /ˈrɒzɪn/

noun

[mass 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: they will also supply crushed colophony rosin [as modifier]: liquid rosin flux

verb (rosins, rosining, rosined)

[with object]
  • rub (something, especially a violin bow or string) with rosin: island musicians are rosining their bows

Derivatives

rosiny

adjective

Origin:

Middle English: from medieval Latin rosina, from Latin resina (see resin)