King James Bible Dictionary

MU'TUAL, adjective [Latin mutuus, from muto, to change.]

Reciprocal; interchanged , each acting in return or correspondence to the other; given and received. mutual love is that which is entertained by two persons each for the other; mutual advantage is that which is conferred by one person or another, and received by him in return. So we say, mutual assistance, mutual aversion.

And, what should most excite a mutual flame,

Your rural cares and pleasures are the same.

MUTUAL'ITY, noun Reciprocation; interchange.

MU'TUALLY, adverb Reciprocally, in the manner of giving and receiving.

The tongue and the pen mutually assist one another.

[Note-Mutual and mutually properly refer to two persons or their intercourse; but they may be and often are applied to numbers acting together or in concert.]