Brasenia schreberi bra·se·niasch·reberi uncommon noun 1. aquatic plant with floating oval leaves and purple flowers; in lakes and slow-moving streams; suitable for aquariums Synonymswater-shieldBrasenia schreberiwater-target Related words Broader terms water lily Parts Brasenia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.