Memento/məˈmentəʊ/ Definition 1 of 1Pro Tip 1/3Physical Reminder A memento is often a small object you can touch, not just an abstract memory. He carried a memento from his travels—a small stone from the beach. Pro Tip 2/3Emotional Connection Mementos usually have emotional value, reminding you of a loved one or special time. Her grandmother's ring was a memento filled with sentiment. Pro Tip 3/3Not Always Positive A memento can be linked to sad memories as well, not just happy ones. The photo served as a memento of his difficult childhood.