- thin, easily digested porridge made by cooking meal in water or milk
- Brit., Informal punishment
Origin of gruelMiddle English from OFr, coarse meal from Medieval Latin an unverified form grutellum, diminutive of grutum, meal, mash from Germanic an unverified form grut, hulled dried grain, akin to groats
- A thin watery porridge.
- Chiefly British Severe punishment.
Origin of gruelMiddle English from Old French of Germanic origin