Webster's Revised Unabridged Dictionary · 1913

Adulterer

Adulterer ({not transcribed}) , noun

[Formed from the verb adulter, with the English ending -er. See Advoutrer.]

1.
A man who commits adultery; a married man who has sexual intercourse with a woman not his wife.
2.
(Scripture) A man who violates his religious covenant. — Jer. ix. 2