An appellation is a name or title, especially one that's formal or distinctive. When someone earns the appellation “champion,” it's a title they've officially won through competition or achievement. The Duke of Wellington held that appellation after his military victories. Your teacher might have the appellation “Dr. Martinez” if she earned a doctoral degree.

The word suggests something more official or prestigious than everyday names. You wouldn't call your dog's nickname an appellation, but you might use it for the formal name of a wine region (like “Champagne,” which is a protected appellation in France) or a person's inherited title.

When you read historical documents or formal writing, you'll often see it used this way: “George Washington earned the appellation 'Father of His Country.'” The word captures both the name itself and the respect or recognition that comes with it. Think of an appellation as a name that carries weight and meaning, chosen or earned because of its significance.