Extensive Definition
Colure, in astronomy, is either of the
two principal meridians
of the celestial
sphere, one of which passes through the poles
and the two solstices,
the other through the poles and the two equinoxes; hence designated as
solstitial colure and equinoxial colure, respectively.
colure in Spanish: Coluro
colure in Italian: Coluro
equinoziale