breakfast in bed noun 1verb 1forms 3 noun1 •Breakfast served to one in bed upon waking, commonly to show appreciation for the receiver.The children made their mother breakfast in bed on her birthday. verb1 •To eat one's breakfast while in bed.Not that I "go in" for breakfasting in bed. It is a lazy, ignoble habit. A man ought to divide his life fairly between bed and board. — 1876 formsbreakfasted in bed · breakfasting in bed · breakfasts in bed