Noun: water flaxseed
- Floating aquatic plant of the duckweed family, with multiple roots and round-oval fronds
"water flaxseed forms a green carpet on still water";
- great duckweed, Spirodela polyrrhiza
Derived forms: water flaxseeds
Type of: duckmeat, duck's meat, duckweed
Part of: genus Spirodela, Spirodela