[water shield] n (ca. 1818): an aquatic plant (Brasenia schreberi) of the water-lily family having floating oval leaves with a gelatinous coating and small dull purple flowers; also: any of a related genus (Cabomba)
WATER SHIELD
Meaning of WATER SHIELD in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012