Dictionary
high' roll'er
Informal.
1. a person who gambles for large stakes, as in a casino.
2. a person who spends money freely for entertainment and extravagant living.
3. a corporation or governmental agency that invests or spends freely or recklessly.
Also,high'roll'er.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.