Meaning of water shield

wa'ter shield"

Pronunciation: [key]
  1. Also calledan 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. See illus. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.