pep·lum \ˈpepləm\noun (pluralpeplums \-mz\ ; alsopep·la \-lə\) Etymology: Latin, from Greek peplos 1.obsolete: peplos 2.: a short skirtlike section usually attached to the waistline of a blouse, jacket, dress, and made usually with a flared, pleated, or ruffled design • pep·lumed\-md\adjective