cuckold

A man married to an adulterous spouse, especially when he is unaware or unaccepting of the fact.

If I never marry, I shall never be a cuckold.

You see, it happened that two lieutenantesses were fighting, because their husbands had made cuckolds of them ...

A man who is attracted to or aroused by the sexual infidelity of a partner.

A West Indian plectognath fish, Rhinesomus triqueter.

The scrawled cowfish, Acanthostracion quadricornis and allied species.

Synonym of fringed filefish.

To make a cuckold or cuckquean of someone by committing adultery, or by seducing their partner or spouse.

"Gave her anything she wanted - her own car, her own bank account, a free leg to amuse herself as she pleased. Of course she hated him for it. Cuckolded him, too, naturally."

Most of the twelve Caesars were rumored to have been licentious as both adulterers and homosexuals (not that the two were mutually exclusive, as will be seen), and Gaius and Nero were both supposed to have been adulterers, active homosexuals, and pathics. According to Suetonius, Julius Caesar was cuckolded by Clodius (Iul. 6, 74) but was himself so noted an adulterer that Pompey (lul. 50) called him "Aegisthus" (mock epic again); and his foreign affairs were the talk of Rome and of the army (Iul, 49–52).