Cuckold is a noun meaning a man who is married to an unfaithful
wife. Cuckold is also a verb meaning to make a cuckold of.
Example sentences:
In some Greek myths, Zeus cuckolded men with beautiful
wives.
In Shakespeare's play, Othello was convinced that he was a
cuckold.
Guinevere and Lancelot cuckolded King Arthur.
Only the wittol knows he is no cuckold.