sheeve
/ˈʃiːv/ or /ˈʃɛv/Definitions
1. noun
a flat or slotted piece of wood or metal, used for controlling the flow of a liquid or gas, especially the flow of grain or other loose material.
“The sheeve allowed the farmer to easily regulate the flow of grain into the storage bin.”
2. noun
a slotted piece of wood or metal used to control or regulate something.
“The sheeve on the faucet helped to reduce the flow of water when it was turned to the off position.”