释义 |
water shield
water shield or wa·ter·shield (wô′tə-shēld′, wŏt′ər-)n.1. A cosmopolitan aquatic herb (Brasenia schreberi) having floating elliptic or ovate leaves and a gelatinous coating on the stems and the undersides of the leaves.2. Any of several fanworts.water shield n 1. (Plants) a North American nymphaeaceous plant, Brasenia schreberi, with floating oval leaves and purple flowers 2. (Plants) any of several similar and related plants of the genus Cabomba wa′ter shield` n. 1. an aquatic plant, Brasenia schreberi, of the water lily family, having purple flowers, floating, elliptic leaves, and a jellylike coating on the underwater stems and roots. 2. a fanwort, esp. Cabomba caroliniana. [1810–20] ThesaurusSeewater-shield |