This is the 8826th most frequent Portuguese word.
apitar
"Apitar" means "to whistle" or "to blow a whistle."
In this sentence, 'apitar' is used to describe the action of blowing a whistle, specifically by a referee to indicate the start or continuation of a sports event.
O árbitro vai apitar o início do jogo.
The referee will blow the whistle to start the game.
Here, 'apitar' is used in the context of the sound made by a train's whistle, conveying the idea of producing a high-pitched sound to signal its presence or movement.
O trem começou a apitar ao se aproximar da estação.
The train started to whistle as it approached the station.
In this case, 'apitar' is utilized to describe the emission of a sound signal by a device, often as an indicator that an operation or cycle has concluded.