Noun: pillwort 'pil,wurt
- European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps
"Pillwort thrived in the shallow edges of the pond";
- Pilularia globulifera
Derived forms: pillworts
Type of: aquatic fern, water fern
Part of: genus Pilularia, Pilularia
Encyclopedia: Pillwort