The alluvial land along the margin of a river. See bottom, 3.(noun)
The Century Dictionary (Public Domain)
Use "river-bottom" in a sentence
"The main task of the POWs in this camp was to pick rocks and stones from a vast area of old dried river-bottom land near the camp so that the land could be made ready to plant sugar cane."
"They're perfect for hunting river-bottom bucks, but you'll probably want them back in the field come spring turkey season. $98; 800-365-4933; www. lacrossefootwear.com"
"Another half-minute in the river-bottom and they'd have had me-even now, as I put my head down and the Arab went like a rat up a drainpipe, it was going to be a damned close thing."