Definitions:

1. A family of aquatic plants consisting primarily of the genus Najas, also known as water nymphs or naiads. NOUN
   • Naiadaceae plants have a long history of use in traditional medicine, and they are still used today to treat a variety of ailments.
2. A family of flowering plants, also know as the water nymph family, named after the Naiads of Greek mythology, that mainly include aquatic plants found in freshwater environments around the world. NOUN
   • Naiadaceae are an important food source for many aquatic animals, including fish and water fowl.
3. Submerged, freshwater plants species, that grow in still or slow-moving waters across various parts of the world. NOUN
   • Naiadaceae are also used as a bioindicator for water quality, as their presence can indicate clean water conditions.

Synonyms:

• naiad family
• najadaceae