noun🔗ShareLentille d'eauAny of several reduced floating aquatic plants in the subfamily Lemnoideae of the family Araceae."The pond was covered in a thick green layer of duckweed. "L'étang était recouvert d'une épaisse couche verte de lentilles d'eau.plantbiologyecologyenvironmentnatureChat with AIVocabulary GamePractice Reading