unsiphon
/ˌʌnsɪˈfɒn/Definitions
1. verb
to remove or prevent the flow of a liquid, especially by closing an open tube or valve
“The engineer unsiphoned the water from the tank to prevent further damage.”
2. verb
to remove or take away something that was previously being removed or taken away
“After unsiphoning the first half of the juice, we had to unsiphon the rest to get the desired amount.”