This is the 4654th most frequent Spanish word.
casó
"Casó" means "he/she/it married."
The word 'casó' is used as the third-person singular preterite form of the verb 'casarse,' meaning 'to marry.'
María se casó con Juan el verano pasado.
María married Juan last summer.
Here, 'casó' represents the third-person singular preterite form of the verb 'casar,' meaning 'to officiate a marriage.'
El juez casó a la pareja durante la ceremonia.
The judge married the couple during the ceremony.
In this case, 'casó' again refers to 'casarse,' in a reflexive sense, emphasizing the subject of the verb taking part in the action.