CONVENTIO ET MODUS VINCUNT LEGEM TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.Latin, meaning A contract and agreement overcome the law. Related Posts:CONVENTIO PRIVATORUM NON POTEST PUBLICO JURI DEROGAREMODUSCONCENSUS AD IDEMINFRA ANNUM CLAUSEEXTRINSIC EVIDENCENECESSITAS NON HABET LEGEM