sluice valve sluice gate • sluicegate · · · Info · Definitions · Synonyms · Characters · · sluice valve · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) regulator consisting of a valve or gate that controls the rate of water flow through a sluice. Synonyms: sluicegate, sluice valve, floodgate, penstock, head gate, water gate. · · Noun Definition 1 Synonyms · · · sluicegate · · Synonym 1 floodgate · · Synonym 2 penstock · · Synonym 3 head gate · · Synonym 4 water gate · · Synonym 5 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C s latin small letter s U+0073 u latin small letter u U+0075 v latin small letter v U+0076