Definitions

1. noun

a sticky, fragrant resin obtained from coniferous trees, used to stiffen strings, improve their tone, and reduce friction.

“The violinist applied a small amount of rosin to the bow before playing.”

2. verb

to apply rosin to (a bow or a stringed instrument) in order to improve its tone or playing characteristics.

“The violinist had to rosin the bow before the concert.”

3. verb

to coat or cover with a thin layer of something, especially to make something smooth or slippery.

“The road was rosin-coated to improve traction during the winter months.”