noun, masculine/ˈseso/plural: sesos
brain; brainwork, brain power
“volarle los sesos” — to blow someone's brains out
Synonyms: cerebro
Etymology tree Proto-Indo-European *sent-der. Proto-Italic *sentiō Latin sentiō Proto-Indo-European *-tus Proto-Italic *-tus Latin -tus Latin sēnsus Spanish seso Inherited from Latin sēnsus.