- 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.