Break one’s word

What is Break one’s word?

Break one’s word definition and meaning on Dictionary terms:
the first meal of the day; morning meal: A hearty breakfast was served at 7 a.m.
the food eaten at the first meal of the day: a breakfast of bacon and eggs.

verb (used without object)
to eat breakfast: He breakfasted on bacon and eggs.

verb (used with object)
to supply with breakfast: We breakfasted the author in the finest restaurant.