Webster's Revised Unabridged Dictionary · 1913

Adultery

Adultery ({not transcribed}) , noun

[Latin adulterium. See Advoutry.]

1.
The unfaithfulness of a married person to the marriage bed; sexual intercourse by a married man with another than his wife, or voluntary sexual intercourse by a married woman with another than her husband.
2.
Adulteration; corruption. [Obsolete] — B. Jonson
3.
(a) (Scripture) Lewdness or unchastity of thought as well as act, as forbidden by the seventh commandment.
(b)
(Scripture) Faithlessness in religion. — Jer. iii. 9
4.
(Old Law) The fine and penalty imposed for the offense of adultery.
5.
(Ecclesiastical) The intrusion of a person into a bishopric during the life of the bishop.
6.
Injury; degradation; ruin. [Obsolete]
You might wrest the caduceus out of my hand to the adultery and spoil of nature. — B. Jonson