Porridge

noun

1. A dish made of grain or legumes, milk and/or water, heated and stirred until thick and typically eaten for breakfast.

   "Eat your porridge while it's hot!"

2. Oatmeal porridge.
3. A prison sentence.

   "Just do your porridge and keep your head down."

4. A type of thick soup or stew, especially thickened with barley.