KJV Dictionary Definition: mutual
MU'TUAL, a. L. 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, n. Reciprocation; interchange.
MU'TUALLY, adv. 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.