colure (redirected from colures)

colure [kəˈlʊə ˈkəʊlʊə]

n

(Astronomy) either of two great circles on the celestial sphere, one of which passes through the celestial poles and the equinoxes and the other through the poles and the solstices

[from Late Latin colūrī (plural), from Greek kolourai cut short, dock-tailed, from kolos docked + oura tail; so called because the view of the lower part is curtailed]