cuckold
/ˈkʌ.kəʊld/noun
High School
1
A man married to an adulterous spouse, especially when he is unaware or unaccepting of the fact.
2
A man who is attracted to or aroused by the sexual infidelity of a partner.
3
A West Indian plectognath fish, Rhinesomus triqueter.
4
The scrawled cowfish, Acanthostracion quadricornis and allied species.
5
Synonym of fringed filefish.