home key home invasion • home life · · · Info · Definitions · Synonyms · Characters · · home key · · Text Common · · Latin · · Scripts 8 · · Length 3 · · Syllables Definitions · · · (noun) the basic key in which a piece of music is written. Synonyms: tonic key, home key. · · Noun Definition 1 Synonyms · · · tonic key · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 h latin small letter h U+0068 k latin small letter k U+006B m latin small letter m U+006D o latin small letter o U+006F y latin small letter y U+0079