1. organized journeys or trips undertaken for a specific purpose, especially exploration, research, or military operations

Examples

• The museum funded several archaeological expeditions to Egypt.
• Mountain climbing expeditions require careful planning and preparation.
• Scientific expeditions to Antarctica study climate change effects.
• The military launched expeditions to secure the remote territory.
• Polar expeditions face extreme weather conditions and isolation.
• Historical expeditions mapped unknown regions of the world.
• Research expeditions collect data from deep ocean environments.