Definition of Napkin

Noun: napkin nap-kin

A small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
- table napkin, serviette [Brit, Cdn]
Garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
- diaper [N. Amer], nappy [Brit]