Gruel (noun)

1. A thin porridge made of cereal grains boiled in water or milk.
2. A thin, watery food made from cereal grains, typically eaten as a low-cost or easily digested food.

Origin:

From old french gruel, from latin crudelis, from crudus raw; akin to old english raw.

Examples:

1. The poor had to subsist on a diet of gruel and water.
2. He was served a bowl of gruel for breakfast.
3. Gruel is a thin porridge made of cereal grains boiled in water or milk.
4. Gruel was often served as a low-cost food to the poor or as a easily digested food for the sick.
5. Gruel is a term for a thin, watery food made from cereal grains, typically eaten as a low-cost or easily digested food.