1) Heb. ha'ahu (Gen. 41:2, 18), probably an Egyptain word transferred to the Hebrew; some kind of reed or water-plant. In the Revised Version it is rendered "reed-grass", i.e., the sedge or rank grass by the river side.
2) Heb. ma'areh (Judg. 20:33), pl., "meadows of Gibeah" (R.V., after the LXX., "Maareh-geba"). Some have adopted the rendering "after Gibeah had been left open." The Vulgate translates the word "from the west."
In New England this word means exclusively grass land, which is moist or subject to being overflowed...
Dictionary of American Words And Phrases by John Russell Bartlett.
Dictionary of Australasian Words Phrases and Usages by Edward E. Morris