pepperwort
NounWordNet 3.0
Noun (2)
- any of several water ferns of the genus Marsilea having four leafletsSynonyms: clover fern
- annual herb used as salad green and garnishSynonyms: common garden cressgarden pepper cresspepper grassLepidium sativum
Webster's Dictionary (GCIDE)
Peppergrass \Pep"per*grass`\, n. (Bot.) (a) Any herb of the cruciferous genus Lepidium, especially the garden peppergrass, or garden cress, Lepidium sativum; -- called also pepperwort. All the species have a pungent flavor. (b) The common pillwort of Europe (Pilularia globulifera). See Pillwort. [1913 Webster]