'Pillwort' definitions:
Definition of 'pillwort'
From: WordNet
noun
European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps [syn: pillwort, Pilularia globulifera]
Definition of 'Pillwort'
From: GCIDE
- Pillwort \Pill"wort`\, n. (Bot.) Any plant of the genus Pilularia; minute aquatic cryptograms, with small pill-shaped fruit; -- sometimes called peppergrass. [1913 Webster]