Gosling/ˈɡɑːzlɪŋ/ Definition 1 of 3Pro Tip 1/3Animal Age Used specifically for young geese, suggesting an age before they are mature. The farmer is taking care of a gosling until it grows into a goose. Pro Tip 2/3Family Ties Often indicates a close relationship with the parent animals. Watching the gosling follow its mother is an adorable sight. Pro Tip 3/3Not Interchangeable 'Gosling' should not be mistaken for baby birds of other species. She mistakenly called the duckling a gosling.