napkin

Concise Oxford English Dictionary © 2008 Oxford University Press:
napkin/ˈnapkɪn/

▶noun

• 1 a square piece of cloth or paper used at a meal to wipe the fingers or lips and to protect garments.

• 2 Brit. dated a baby's nappy.

• 3 (also sanitary napkin) N. Amer. another term for sanitary towel.

– origin ME: from OFr. nappe ‘tablecloth’ (from L. mappa: see map) + -kin.