PENSTOCKS
Scrabble letter values: P3E1N1S1T1O1C3K5S1 = 17
Definition
PENSTOCKS is the plural of PENSTOCK.
noun PENSTOCK: regulator consisting of a valve or gate that controls the rate of water flow through a sluice.
Synonyms of PENSTOCK: sluicegate, sluice_valve, floodgate, head_gate, water_gate