magnum opus /magˈnəm ōˈpəs, magˈnŭm opˈŭs/ (Latin)

1. A great work, esp of literature or learning
2. A writer's greatest achievement or the culmination of his or her efforts

• pilotis
• pilot jack
• pilot jacket
• pilot jackets
• pilot jet
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• pilot lamp
• pilot lamps
• pilotless
• pilot light
• pilot lights
• pilotman
• pilotmen
• pilot officer
• pilot officers
• pilot-plant
• pilot-plants
• pilot project
• pilot projects
• pilots
• pilot scheme
• pilot whale
• pilot whales
• pilous
• pilow