From Longman Dictionary of Contemporary Englishvest something in somebody phrasal verb lawGIVEto give someone the official right to do or own something Copyright is vested in the author for 50 years. → vest→ See Verb table
Examples from the Corpus
vest in • Exciting, unfamiliar and lively means fresh copy for the press, which has a vested interest in chaos.• Well, he obviously has a vested interest in having some one else to blame.• So, Bianca and her suitors have a vested interest in marrying off nasty Kate.• In a sea power economy, vested interests are in open markets and free trade.• Even fewer are unattached to vested interests in the debate.• The power to grant pardons is vested in the president alone.• Each team has a direct and vested interest in the quality and delivery performance.• Apparently the idea is being spiked by vested interests in the sugar industry.• We know that advertisers have a vested interest in their power to suspend our disbelief.From Longman Business Dictionaryvest something in somebody phrasal verb [transitive] LAW to give someone the legal right to own something, such as property or investmentsThe plan gives employees the right to become fully vested in stock and other incentive options. → vest→ See Verb table