| 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. |
| 4. | to stop flowing, as blood; be stanched. |
| 5. | 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. |