This is the 6268th most frequent Portuguese word.
coroa
"Coroa" means "crown" or refers to an elderly person (colloquially).
Here, 'coroa' is used to mean a crown, which is an ornamental headgear symbolizing sovereignty or royal status.
A rainha colocou a coroa de ouro na sua cabeça.
The queen placed the gold crown on her head.
In this context, 'coroa' is colloquially used to refer to an older person, often with an affectionate tone.
O meu avô é uma coroa simpática e cheio de histórias.
My grandfather is an affable old man full of stories.
Here, 'coroa' figuratively means the highlight or centerpiece of an event or situation.