adj.1 (of feelings, actions, etc.) experienced or done by each of two or more parties with reference to the other or others (mutual affection).
2 colloq. disp. common to two or more persons (a mutual friend; a mutual interest).
3 standing in (a specified) relation to each other (mutual well-wishers; mutual beneficiaries).
Phrases and idioms:
mutual fund US a unit trust. mutual inductance the property of an electric circuit that causes an electromotive force to be generated in it by change in the current flowing through a magnetically linked circuit. mutual induction the production of an electromotive force between adjacent circuits that are magnetically linked. mutual insurance insurance in which some or all of the profits are divided among the policyholders.
mutuality n. mutually adv.
Etymology: ME f. OF mutuel f. L mutuus mutual, borrowed, rel. to mutare change