~ 1
■ noun ( plural nappies ) Brit. a piece of absorbent material wrapped round a baby's bottom and between its legs to absorb and retain urine and faeces.
Origin
early 20th cent.: abbrev. of napkin .
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~ 2
■ adjective ( nappier , nappiest ) US informal (of a black person's hair) frizzy.
Origin
C15 (in the sense 'shaggy'): from MDu. noppigh , Mid. Low Ger. noppich , from noppe (see nap 2 ).