'water-shield' definitions:
Definition of 'water-shield'
(from WordNet)
noun
Aquatic plant with floating oval leaves and purple flowers; in lakes and slow-moving streams; suitable for aquariums [syn: water-shield, Brasenia schreberi, water-target]
noun
Common aquatic plant of eastern North America having floating and submerged leaves and white yellow-spotted flowers [syn: water-shield, fanwort, Cabomba caroliniana]