- noun:
- A filamentous freshwater alga (Conferva rivularis of Linnaeus, Rhizoclonium rivulare of Kutzing).
- A filamentous fresh-water alga (Conferva rivularis of Linnaeus, Rhizoclonium rivulare of Kutzing).
- A name of varied confervaceous algæ, from their particular fine thread-like filaments.
How would you define crow-silk?