Definitions
1.NounThe first meal of the day, usually eaten in the morning."You should put more protein in her breakfast so she will grow.; I had an early dinner because the breakfast in this hostel is superb."
2.NounA meal consisting of food normally eaten in the morning, which may typically include eggs, sausages, toast, bacon, etc."We serve breakfast all day."
3.NounThe celebratory meal served after a wedding (and occasionally after other solemnities e.g. a funeral).
4.NounA meal eaten after a period of (now often religious) fasting.
5.VerbTo eat the morning meal.
6.VerbTo serve breakfast to.