Other forms: viragoes; viragos
A virago is a loud, bossy woman, like your next door neighbor who is always yelling at kids to get off her lawn.
You can use the noun virago when you're describing a particularly mean and scolding woman. It's not a compliment to call someone a virago, although its origins are much nobler than the shrewish, screechy character it implies today. Originally, a virago was a brave or heroic woman. The root of virago is the Latin word for "man," vir. In other words, a virago used to mean a woman who seemed manly or virile.