plugboard plug • plugdrawer · · · Info · Definitions · Synonyms · Characters · · plugboard · · Text Latin · · Script 9 · · Length Definitions · · · (noun) telephone central where circuits are completed with patchcords. Synonyms: switchboard, patchboard. · · Noun Definition 1 Synonyms · · · switchboard · · Synonym 1 patchboard · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 g latin small letter g U+0067 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