noun
one species of aquatic or semiaquatic fern
• Hypernyms: ↑fern genus
• Member Holonyms: ↑Marsileaceae, ↑family Marsileaceae
• Member Meronyms: ↑regnellidium, ↑Regnellidium diphyllum
Useful english dictionary. 2012.
Useful english dictionary. 2012.