diaper deck /ˈdaɪ(ə)pɚˌdɛk/ noun1 •(US) A changing table, especially one that is foldable, wall-mounted and intended for infants or small children.The deck operates like a built-in ironing board; it can be pulled down to change a baby and pushed back when finished. Diaper decks hold baby wipes, rubber gloves, and other diaper-change items. — 1998 formsdiaper decks