from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. Plural form of con sordino. (With the mutes).
from The Century Dictionary and Cyclopedia
- In music, a direction to perform a passage, if on the pianoforte, with the soft pedal held down, and if on the violin and brass instruments, with the mute on. It is sometimes abbreviated C. S.
From Italian (Wiktionary)