Found 2 items, similar to pillwort.
English → English (WordNet) Definition: pillwort pillwort n : European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps [syn: Pilularia globulifera]
English → English (gcide) Definition: Pillwort Pillwort \Pill"wort`\, n. (Bot.) Any plant of the genus Pilularia; minute aquatic cryptograms, with small pill-shaped fruit; -- sometimes called peppergrass. [1913 Webster]