Meaning of multimillionaire

mul•ti•mil•lion•aire

Pronunciation: (mul"tē-mil"yu-nâr', mul"tī-), [key]
— n.
  1. a person who possesses a fortune that amounts to many millions of dollars, francs, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.