n. A sea bed or a river bed that has been raised or elevated.
the GNU version of the Collaborative International Dictionary of English
n. An elevated river bed or sea bed.
The Century Dictionary and Cyclopedia
n. An alluvial elevation of the bed of a river; in particular, one of those portions of the bed of the Mississippi river which are dry or submerged according to the season.
Word Usage
"What is termed batture in Louisiana is the land made by accretion or deposits of the Mississippi."