Submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts; SYN. grass wrack, sea wrack, Zostera marina.
Or tape grass or glass wrack; Any of several flowering plants of the genus Zostera, especially Zostera marina, of the pondweed family Zosteraceae. Eelgrass is found in tidal mud flats and is one of the few flowering plants to adapt to marine conditions, being completely submerged at high tide. eel-grass