cuckoldry

noun

1. (countable, uncountable)An act of adultery committed by a married woman against her husband.

   “How many such-like cuckoldries are there in histories, procured by the Gods against seely mortall men?”

2. (countable, uncountable)The state of being a cuckold.

   “By the end of 2017, it was clear that Homo politicus, like his allies in Hollywood and the media, tends not towards cuckoldry but a 21st-century equivalent of the droit du seigneur.”

3. (countable, uncountable)Among certain male fish, the practice of interrupting a mating pair to release sperm in an attempt to fertilize the female.