Lewis Short
(adjective) : extrārĭus, a, um, extra
* Outward, external, extrinsic (rare but class.).
* In gen.: lux,Lucr. 4, 277: utilitas aut in corpore posita est aut in extrariis rebus,Cic. Inv. 2, 56, 168: res,id. ib. 2, 59, 177; cf.: aut in extrariam aut in ipsius qui periit voluntatem,Quint. 7, 2, 9: defensio,Auct. Her. 2, 13, 19.
* In partic., as respects one's family, strange, unrelated; and subst., a stranger (cf. extraneus): hanc condicionem si cui tulero extrario,Ter. Phorm. 4, 1, 13: extrarii (opp. mei),App. Flor. p. 359: sub extrario accusatore et legibus agente (opp. in domesticis disceptationibus),Quint. 7, 4, 9: extrarios reliquit heredes,Dig. 38, 2, 36 et saep.—Connected with ab: ut me esse in hac re ducat abs te extrarium? Afran. ap. Non. 103, 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary