- Clue is drifting into flood channel - Flood channel - Flush with water - Watergate - Weir (gates) - An artifical passage for water, fitted with a valve or
gate, as in a mill stream, for stopping or regulating the flow; also, a
water gate or flood gate. - Hence, an opening or channel through which anything flows;
a source of supply.
- To wash or strain out so as to purify; as, to
elutriate the blood as it passes through the lungs; to strain off or
decant, as a powder which is separated from heavier particles by being
drawn off with water; to cleanse, as by washing.