Breadcrumb Home > Thesaurus > P Synonyms of penstock Find synonyms for: Noun 1. sluicegate, sluice valve, floodgate, penstock, head gate, water gate, regulator usage: regulator consisting of a valve or gate that controls the rate of water flow through a sluice 2. sluice, sluiceway, penstock, conduit usage: conduit that carries a rapid flow of water controlled by a sluicegate WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of penstock (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: procellous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language