colure
English
Noun
colure (plural colures)
- (astronomy) Either of two great circles (meridians) that intersect at the poles and either the equinoxes or solstices.
Coordinate terms
- equinoctial colure
- first equinoctial colure
- second equinoctial colure
- solstitial colure
- first solstitial colure
- second solstitial colure