A ring in which a table-napkin may be held folded or rolled up when not in use.(noun)
The Century Dictionary (Public Domain)
Use "napkin-ring" in a sentence
"Dante shoved her chair violently aside and left the table, upsetting her napkin-ring which rolled slowly along the carpet and came to rest against the foot of an easy-chair."
"He escorted the lady to church without his wife and, when Christmas came, he presented the lady with a sterling silver napkin-ring."
"At home, if you use a napkin-ring, fold your napkin and replace it in the ring when you have done with it."