Pronunciation: (stônch, stanch, stänch),[key] —v.t. 1. to stop the flow of (a liquid, esp. blood).
2. to stop the flow of blood or other liquid from (a wound, leak, etc.).
3. Archaic.to check, allay, or extinguish.
—v.i. to stop flowing, as blood; be stanched.
—n. Also called flash-lock, navigation weir. a lock that, after being partially emptied, is opened suddenly to send a boat over a shallow place with a rush of water. Also,staunch.