eelgrass definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- a flowering plant (Zostera marina) of the pondweed family, that grows underwater and has long, grasslike leaves
- tape grass
eelgrass definition by American Heritage Dictionary
Any of several submersed aquatic plants of the genus Vallisneria. Also called tape grass, wild celery.