- The definition of breakfast is a morning meal, or the first meal of the day.
Eggs and bacon that you eat first thing in the morning for your first meal is an example of breakfast.
A woman enjoys breakfast in bed.
breakfast definition by Webster's New World
Origin: break plush fast
breakfast definition by American Heritage Dictionary
Origin: Middle English brekfast : breken, to break; see break + faste, a fast (from Old Norse fasta, to fast; see past- in Indo-European roots).
- breakˈfast·er noun