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We found 10 dictionaries with English definitions that include the word clapper valve: Click on the first link on a line below to go directly to a page where "clapper valve" is defined. General (9 matching dictionaries) clapper valve: Vocabulary.com [home, info] clapper-valve: Wordnik [home, info] clapper valve: Dictionary.com [home, info] Clapper valve: Wikipedia, the Free Encyclopedia [home, info] clapper valve: Rhymezone [home, info] clapper valve: Free Dictionary [home, info] clapper valve: Mnemonic Dictionary [home, info] clapper valve: LookWAYup Translating Dictionary/Thesaurus [home, info] clapper valve: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) clapper valve: Encyclopedia [home, info]

Quick definitions from WordNet (clapper valve) ▸ noun:  a simple valve with a hinge on one side; allows fluid to flow in only one direction