1. people who deliberately reveal confidential or secret information to the public or media
Usage: informal
2. containers, pipes, or other objects that allow liquid or gas to escape through holes or cracks

Examples

• Government officials are investigating the leakers who revealed classified documents.
• The newspaper protected its sources among the leakers in the administration.
• Several leakers came forward with evidence of corporate wrongdoing.
• The plumber identified two leakers in the basement pipes.
• We need to replace these old leakers before winter arrives.
• The maintenance crew fixed all the leakers in the irrigation system.