Nappy

You will notice that disposable nappies are sold in boy and girl versions. They vary in where the thickest padding is provided.

Suppose you advertise a “five-inch glass nappy.” It doesn′t tell a reader anything — a woman especially. She can′t tell how big five inches are anyway ; but just say, “large imitation cut glass fruit saucers at thirty cents a dozen,” and get your packers ready.

1827, R. Charlton, Newcastle Improvements, in T. Thompson, et al. A Collection of Songs, Comic and Satirical, Chiefly in the Newcastle Dialect, page 151, Aw′ve seen when we′ve gyen iv a kind, freenly way / To be blithe ower a jug o′ good nappy

The mother nappied the baby.

1950, US District Courts, US Court of Claims, US Court of Customs and Patent Appeals, Federal Supplement, Volume 89, page 438, The original accused device, as was the patented device, was made of cotton flannel with a nappy surface on each side, […] .