ty ‧ coon /taɪˈkuːn/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: Japanese ; Origin: taikun , from Chinese taijun , from tai 'great' + jun 'ruler' ]
someone who is successful in business or industry and has a lot of money and power
media/property/business/newspaper tycoon
a multi-millionaire property tycoon