salt marsh

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Low coastal grassland frequently overflowed by the tide.

from The Century Dictionary.

• noun Land under pasture-grasses or herbage-plants, subject to be overflowed by the sea, or by the waters of estuaries, or the outlets of rivers which, in consequence of proximity to the sea, are more or less impregnated with salt.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A marsh of saline water, found in the intertidal zone between land and sea, characterized by halophytic plants such as grasses and sedges adapted to periodic flooding with salt water.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun low-lying wet land that is frequently flooded with saltwater