1. a computer program that runs continuously in the background, performing system tasks
Usage: computing
2. in ancient Greek religion, a supernatural being or spirit, often serving as an intermediary between gods and humans
Usage: mythology; historical
3. an evil spirit or devil
Usage: archaic

Examples

• The email daemon automatically processes incoming messages.
• A print daemon manages the printer queue on the network.
• The system administrator restarted the web daemon.
• In Greek mythology, Socrates claimed to have a daemon that guided him.
• Ancient Greeks believed daemons could influence human affairs.
• The daemon whispered temptations in the old tale.