tappet wrench tappet rod • tap-pickle · · · Info · Definitions · Synonyms · Characters · · tappet wrench · · Text Common · · Latin · · Scripts 13 · · Length 3 · · Syllables Definitions · · · (noun) a wrench having parallel jaws at fixed separation (often on both ends of the handle). Synonyms: open-end wrench, tappet wrench. · · Noun Definition 1 Synonyms · · · open-end wrench · · Synonym 1 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 h latin small letter h U+0068 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077