"Fourscore" is an old-fashioned term that means eighty. The word "score" itself refers to twenty, so when someone says "fourscore," they are essentially saying four times twenty, which equals eighty. This term is often associated with historical speeches and literature, particularly in the context of the Gettysburg Address delivered by Abraham Lincoln. In modern usage, "fourscore" is rarely used in everyday conversation. It is more commonly found in historical texts or poetry, where it adds a formal or archaic tone. Understanding this term can enhance comprehension of classic literature and speeches that employ such language.