1. devices that display images or videos on a screen or surface by projecting light
2. people who project or plan future developments or outcomes

Examples

• The classroom has two digital projectors for presentations.
• Movie theaters use high-quality projectors to show films.
• We need to set up the projectors before the conference begins.
• The old slide projectors have been replaced with modern equipment.
• Economic projectors predicted a recession next year.
• The city planners acted as projectors for urban development.
• Portable projectors are popular for business meetings.