break·fast 
(brĕkfəst)
(brĕkfəst)n.
1. The first meal of the day, usually eaten in the morning.
2. Informal Food traditionally consumed for breakfast, such as eggs or pancakes: We made breakfast for dinner.
v. break·fast·ed, break·fast·ing, break·fasts
v.intr.
To eat breakfast: We breakfasted on the terrace.
v.tr.
To provide breakfast for.
[Middle English brekfast : breken, to break; see BREAK + faste, a fast (from Old Norse fasta, to fast; see past- in the Appendix of Indo-European roots).]
breakfast·er n.