coupler couplement • coupleress · · · Info · Definitions · Synonyms · Characters · · coupler · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a mechanical device that serves to connect the ends of adjacent objects. Synonyms: coupling. · · Noun Definition 1 Synonyms · · · coupling · · Synonym 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075