plastic pants

== English == === Etymology === From plastic +‎ pants. Late 1940s, when polyvinyl chloride (a plastic) replaced latex as the principal material of the garment due to its lower cost. Compare earlier rubber pants. === Pronunciation === === Noun === plastic pants pl (plural only) An undergarment worn over a diaper or nappy (or underwear) in order to prevent leakage through the fabric. ==== Synonyms ==== diaper cover (Canada and United States) diaper wrap (Canada and United States) nappy cover (UK and Commonwealth) nappy wrap (UK and Commonwealth) pilchers (Australia and New Zealand) waterproof pants ==== Coordinate terms ==== plastic panties (rare)