pappus pappox • pappy · · · Info · Definitions · Characters · · pappus · · Text Latin · · Script 6 · · Length Definitions · · · (noun) calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions. · · Noun Definition 1 Characters · · a latin small letter a U+0061 p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075