from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A triangle the three sides of which are arcs of great circles.
from the GNU version of the Collaborative International Dictionary of English
- adj. re on the surface of a sphere, bounded by the arcs of three great circles which intersect each other.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a spherical polygon formed by the arcs of 3 great circles
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