Breakfast/ˈbrekfəst/ Definition 1 of 2Pro Tip 1/3Time Specific Typically refers to morning eating but can be used for a late start. We had breakfast at noon after a long sleep in. Pro Tip 2/3Cultural Variations Breakfast foods vary widely across different cultures. In Japan, a traditional breakfast might include fish and rice. Pro Tip 3/3Not Just Food Sometimes used to describe the end of a night out or start of work. After the party, we watched the sunrise and called it our breakfast.