Pronunciation: (myOO'chOO-ul), [key]
1. possessed, experienced, performed, etc., by each of two or more with respect to the other; reciprocal: to have mutual respect.
2. having the same relation each toward the other: to be mutual enemies.
3. of or pertaining to each of two or more; held in common; shared: mutual interests.
4. having or pertaining to a form of corporate organization in which there are no stockholders, and profits, losses, expenses, etc., are shared by members in proportion to the business each transacts with the company: a mutual company.
Informal.a mutual fund.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.