salt marsh

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Low coastal grassland frequently overflowed by the tide.

Century Dictionary and Cyclopedia

1. n. 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.

Wiktionary

1. n. 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.

GNU Webster's 1913

1. adj. grass land subject to the overflow of salt water.

WordNet 3.0

1. n. low-lying wet land that is frequently flooded with saltwater