diaper cover

plural diaper covers

1. CanadaUSSynonym of plastic pants (“an undergarment worn over a diaper/nappy (or underwear) in order to prevent leakage through the fabric.”).

   A sacque set, for example, has a snap front with short raglan sleeves and a matching diaper cover, which also snaps for easing diaper changes.

   1985, Jean Mills, Babyworks: Every Parent's Sourcebook for Essential Baby Paraphernalia, Viking, →ISBN, page 18

   2 more examples

   But with the Modella Method the "dry shield" of the Mitey-Drye liner between baby's skim and the diaper keeps baby's skin dry—while the Sleepy-Drye diaper cover keeps outer clothing and bedding dry.

   1959, “Here's What the Modella Diaper Method Means”, in Infants' & Children's Review, volume 67 (Advertisement), Haire Publishing Company, page 2

   Industrial Wrap (also called Super Whisper Wrap, Super Wrap): This cover has been around a few years now—and what a Godsend! Finally a truly heavy-duty diaper cover that is super waterproof and that you really don't have to worry about at laundry time. I wish they had come up with this years ago!

   2013, Theresa Rodriguez Farrisi, Diaper Changes: The Complete Diapering Book and Resource Guide, M. Evans, →ISBN, page 110

   Synonyms: plastic pants, diaper wrap, nappy cover, nappy wrap, pilchers, waterproof pants