(mathematics) the shortest line between two things on a mathematically defined surface (as a straight range on an airplane or an arc of a good group on a sphere)

(math) the shortest line between two points on a mathematically defined area (as a straight range on an airplane or an arc of a fantastic circle on a sphere)

(mathematics) the shortest range between two points on a mathematically defined surface (as a straight range on an airplane or an arc of outstanding group on a sphere)

(mathematics) the quickest range between two things on a mathematically defined surface (as a straight line on an airplane or an arc of a good group on a sphere)

## How would you define geodesic line?