unsluice

Etymology

From un- + sluice.

unsluice means To sluice; to open the sluice or sluices of (a lock) Lexicurio rates it Rare gem — a strength score of 78 out of 100.

verb

To sluice; to open the sluice or sluices of (a lock)
to let (emotions etc.) flow; to discharge.“All ages, all degrees unsluice their eyes”