Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Water meadow \Wa"ter mead"ow\ (Agric.) A meadow, or piece of low, flat land, capable of being kept in a state of fertility by being overflowed with water from some adjoining river or stream.
Wiktionary
n. A low-lying area of grassland that is subject to seasonal flooding
Usage examples of "water meadow".
The crowd in turn went about its own affairs, the women at their fires preparing the feast, some of the men setting out the lacrosse pitch on the biggest water meadow.
Although the forest was as dense as ever, there was a water meadow through the center of this valley.
The forest was making Wiz claustrophobic, but since the water meadow open spaces didn't appeal to him either.
Woundwort, on the other hand, had taken his rabbits into the ditch and then made use of it to get them down to the water meadow, unexposed to further attack from Kehaar.
At the end of the village, where the stream made a looping bend, there was a grove of poplars on a bank overlooking a water meadow.
I walked out of the city by way of a water meadow to North Hinksey and onwards towards Boar's Hill through an area called, with curious indecisiveness, Chilswell Valley or Happy Valley.
Kolya's land lay south of the river, beyond a water meadow where cattle grazed.