A wine aerator is a device designed to enhance the flavor and aroma of wine by increasing its exposure to air. When wine is poured through the aerator, it mixes with air, allowing volatile compounds to evaporate and releasing the wine's full bouquet. This process can soften tannins and improve the overall taste, especially in younger red wines. Aerators come in various designs, including handheld models and those that fit directly onto a bottle. Some even feature built-in filters to remove sediment. Using a wine aerator can significantly elevate the wine-drinking experience without the need for lengthy decanting.