CO LURE

colure

[kuh-loor, koh-, koh-loor]
noun Astronomy.
either of two great circles of the celestial sphere intersecting each other at the poles, one passing through both equinoxes and the other through both solstices.

Origin:
1540–50; < Late Latin colūrus < Greek kólouros dock-tailed, equivalent to kól(os) docked + -ouros -tailed, adj. derivative of ourá tail; so called because the lower part is permanently hidden beneath the horizon

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colure (kəˈlʊə, ˈkəʊlʊə)
 
n
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
 
[C16: 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]

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