peppergrass in English dictionary peppergrass Meanings and definitions of "peppergrass" noun Any of the pungent herbs of the cruciferous genus Lepidium, especially the garden peppergrass, or garden cress, Lepidium sativum; pepperwort. noun The common pillwort of Europe ( Pilularia globulifera). more Grammar and declension of peppergrass peppergrass (plural peppergrasses) more Peppergrass Sample sentences with "peppergrass" Declension Stem Try again Available translations Arabic Armenian Catalan Czech Danish Eastern Mari Esperanto Finnish French German Greek Hebrew Hungarian Italian Japanese Kurdish Kurmanji Latin Persian Romanian Russian Shoshoni Turkish Authors