1. A method of communication or notification through an official announcement made publicly to inform the general population or relevant parties
The city council announced the road closure via public notice.
A câmara municipal anunciou o fechamento da estrada por meio de aviso público.
2. Legal or formal communication delivered through published announcements in newspapers, bulletins, or official channels
The court issued the summons via public notice in the local newspaper.
O tribunal expediu a citação por meio de aviso público no jornal local.