vis ma·jor (vĭs mājər)
n. Law pl. vi·res ma·jo·res (vīrēz mə-jôrēz, -jŏr-)
An overwhelming force of nature having unavoidable consequences that under certain circumstances can exempt one from the obligations of a contract.

[TahlilGaran] American Dictionary ▲

vis major
[Latin vīs māior : vīs, force + māior, greater.]

[TahlilGaran] American Dictionary ▲