diaper

Concise Oxford English Dictionary © 2008 Oxford University Press:
diaper /ˈdʌɪəpə/

▶noun

• 1 N. Amer. a baby's nappy.

• 2 a linen or cotton fabric woven in a repeating pattern of small diamonds.

  ■ a repeating geometrical or floral pattern.

▶verb

• 1 N. Amer. put a nappy on (a baby).

• 2 decorate with a repeating geometrical or floral pattern.

– origin ME (denoting a costly fabric): from OFr. diapre, from med. L. diasprum, from med. Gk diaspros (adj.), from dia ‘across’ + aspros ‘white’.