from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any plant of the genus Pilularia; a minute aquatic cryptogram with small pill-shaped fruit.
from the GNU version of the Collaborative International Dictionary of English
- n. Any plant of the genus Pilularia; minute aquatic cryptograms, with small pill-shaped fruit; -- sometimes called peppergrass.
from The Century Dictionary and Cyclopedia
- n. A plant of the genus Pilularia; especially, P. globulifera, the creeping pillwort of Europe: named from the pellet-like involucres containing the fruit.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps
pill + wort (Wiktionary)
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