This is the 8684th most frequent Spanish word.
seso
Brain or mind.
Here, 'seso' refers to the mental faculty or capability of reasoning and decision-making.
Es importante usar el seso para tomar decisiones acertadas.
It is important to use the brain to make accurate decisions.
In this sentence, 'sesos' is used to refer to the physical organ, specifically animal brains, that can be consumed as food.
Cuidado al cocinar la carne, especialmente sesos.
Be careful when cooking the meat, especially brains.
The phrase 'dos dedos de seso' is an idiomatic expression meaning 'common sense,' where 'seso' represents sound judgment or practical wisdom.