cosh cosettler • cosharer · · · Info · Definitions · Synonyms · Characters · · cosh · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) a piece of metal covered by leather with a flexible handle; used for hitting people. Synonyms: blackjack, sap. · · Noun Definition 1 (verb) hit with a cosh, usually on the head. · · Verb Definition 1 Synonyms · · · blackjack · · Synonym 1 sap · · Synonym 2 Characters · · c latin small letter c U+0063 h latin small letter h U+0068 o latin small letter o U+006F s latin small letter s U+0073