nappy Definition

nappy¹
noun

nappies
1. A pad of disposable material, or a folded piece of towelling or other soft cloth, secured round a baby's bottom to absorb urine and faeces. N Amer equivalent diaper.

Etymology: 1920s: diminutive of napkin.

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nappy²
adj nappier, nappiest

1a. Said of beer: with a head; frothy;
1b. Said of beer: strong.
2. Tipsy.
3. Said of a horse: nervous; excitable.

noun

1. Strong ale.

Etymology: 16c: perhaps from nappy shaggy, from nap².