—n.
1 US a baby's nappy.
2 a a linen or cotton fabric with a small diamond pattern. b this pattern.
3 a similar ornamental design of diamonds etc. for panels, walls, etc.
—v.tr. decorate with a diaper pattern.
Etymology: ME f. OF diapre f. med.L diasprum f. med.Gk diaspros (adj.) (as DIA-, aspros white)
Useful english dictionary. 2012.