1. (noun)eelgrass, grass wrack, sea wrack, Zostera marina submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts Synonyms: wildcelery, grasswrack, eelgrass, sea wrack, tapegrass, wrack
2. (noun)tape grass, eelgrass, wild celery, Vallisneria spiralis submerged aquatic plant with ribbonlike leaves; Old World and Australia Synonyms: wildcelery, grasswrack, eelgrass, sea wrack, tapegrass