B3A1C3K5W4A1T1E1R1
20 points
BACKWATER is validvalid
a part of a river without a current [n BACKWATERS]
water turned back in its course by an obstruction, or an opposing current, as in a river channel, or across a river bar [n -S]
a part of a river without a current [n BACKWATERS]
water turned back in its course by an obstruction, or an opposing current, as in a river channel, or across a river bar [n -S]