consensus ad idem
noun[SorU]
ukusLAW
agreementbetween differentpeopleorgroupsabout theexactmeaningof acontractthat isnecessarybefore thecontractisconsideredto belegallyacceptable:
Thetribunalheldthat there was noconsensusad idem to theoriginalcontract, and that it wasthereforenotenforceable.