noun
gruel
GROO-ul/ˈɡruːəl/
A thin porridge made by boiling grain or meal in water or milk.
Thin gruel drains from the tilted spoon into the bowl of watery grain.

Etymology
Old French gruel named fine meal, and English first used it for meal or flour. The name then passed from the ingredient to the thin porridge or soup made from it.
In context
The main constituent of the workhouse diet was bread. At breakfast, it was supplemented by gruel or porridge, both made from water and oatmeal.
More examples
- He boils oats in water to make gruel.
- The cook adds milk to the gruel to make it richer.
- Breakfast consists of a bowl of gruel and some bread.
Forms
gruel