clack valve clack goose • claim agent · · · Info · Definitions · Synonyms · Characters · · clack valve · · Text Common · · Latin · · Scripts 11 · · Length Definitions · · · (noun) a simple valve with a hinge on one side; allows fluid to flow in only one direction. Synonyms: clack, clapper valve. · · Noun Definition 1 Synonyms · · · clack · · Synonym 1 clap · · Synonym 2 clapper valve · · Synonym 3 clatter · · Synonym 4 brattle · · Synonym 5 cluck · · Synonym 6 click · · Synonym 7 chatter · · Synonym 8 piffle · · Synonym 9 palaver · · Synonym 10 prate · · Synonym 11 tittle-tattle · · Synonym 12 twaddle · · Synonym 13 maunder · · Synonym 14 prattle · · Synonym 15 blab · · Synonym 16 gibber · · Synonym 17 tattle · · Synonym 18 blabber · · Synonym 19 gabble · · Synonym 20 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 k latin small letter k U+006B l latin small letter l U+006C v latin small letter v U+0076