Meaning of big business

big' busi'ness

Pronunciation: [key]
  1. large business, commercial, and financial firms taken collectively, esp. when considered as a group having shared attitudes and goals and exercising control over economic policy, politics, etc.
  2. any large organization of a noncommercial nature resembling this.
  3. any large business enterprise.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.