From Wikipedia:
“Strictly speaking, the singular noun for the domestic bovine is ox: a bull is a male ox and a cow is a female ox. That this was once the standard name for domestic bovines is shown in place names such as Oxford. But “ox” today is rarely used in this general sense, instead denoting the castrated male used as a beast of burden. Instead, “cow” is frequently used by the general population as a gender-neutral term, despite it being designated to refer solely to females. (Females of other animals, such as whales or elephants, are also called cows).”
This was never intended to be an English lesson, simply a tongue-in-cheek comment. But, if you insist on corrupting the language, go right ahead.