Definition of "colure"
noun:
-
Either of two great circles (meridians), that intersect at the poles and either the equinoxes or solstices.
from Wiktionary, Creative Commons Attribution/Share-Alike License
-
Either of two great circles (meridians), that intersect at the poles and either the equinoxes or solstices.
from Wiktionary, Creative Commons Attribution/Share-Alike License