The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various aquatic or marsh ferns of the genus Marsilea, having floating, four-parted palmate leaves rising from long runners. Also called water clover.
n. See peppergrass.
the GNU version of the Collaborative International Dictionary of English
n. See peppergrass.
The Century Dictionary and Cyclopedia
n. Any plant of the genus Lepidium; in England, especially, L. latifolium, the dittander.
n. Any plant of the natural order Marsileaceæ.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. annual herb used as salad green and garnish
n. any of several water ferns of the genus Marsilea having four leaflets
Word Usage
"He could go to the forest and gather pepperwort for drying."