Annual herb used as salad green and garnish

• Any of several water ferns of the genus Marsilea having four leaflets

WordNet Word definitions in WordNet
n. any of several water ferns of the genus Marsilea having four leaflets [syn: clover fern ] annual herb used as salad green and garnish [syn: common garden cress , garden pepper cress , pepper grass , Lepidium sativum ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Peppergrass \Pep"per*grass`\, n. (Bot.) 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. The common pillwort of Europe ...

Wiktionary Word definitions in Wiktionary
n. Any of several species of perennial plant in the genus ''Lepidium'' (originally specifically dittander, (taxlink Lepidium latifolium species noshow=1)), which is a member of the mustard and cabbage family. (from 16th c.)