from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A circle described by the intersection of the surface of a sphere with a plane passing through the center of the sphere.
- n. A segment of such a circle representing the shortest distance between two terrestrial points.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A circle defined as the intersection of the surface of a sphere and a plane which passes through the centre of the sphere.
- n. A segment of such circle representing the shortest distance between two points on the surface of a sphere.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center
Sorry, no etymologies found.
In the plains of Sinaar, and a second time in those of Cufa, his mathematicians accurately measured a degree of the great circle of the earth, and determined at twenty-four thousand miles the entire circumference of our globe.
The octuples under his command had steered toward their place on the rim of the great circle on the Herdmaster's map.
The medjliss met early next morning, and this time in a great circle out of doors.
Captain Doane worked hard, pursuing the sun in its daily course through the sky, by the equation of time correcting its aberrations due to the earth's swinging around the great circle of its orbit, and charting Sumner lines innumerable, working assumed latitudes for position until his head grew dizzy.