We found 2 dictionaries that define the word sluice valves:

General (2 matching dictionaries)

1. sluice valves: Merriam-Webster
2. sluice valves: Vocabulary.com

(Note: See sluice_valve as well.)

Definitions from Wiktionary (sluice valve) ▸ noun:  Synonym of gate valve ▸ Also see sluice_valve ▸ Words similar to sluice valves ▸ Usage examples for sluice valves ▸ Idioms related to sluice valves ▸ Wikipedia articles (New!) ▸ Words that often appear near sluice valves ▸ Rhymes of sluice valves ▸ Invented words related to sluice valves