[kuh-loo r, koh-, koh-loo r]

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 of colure

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for colure

Historical Examples of colure

  • For some reason, the equator, the colure, the zenith and the poles were all marked out by these serpentine or draconic forms.

British Dictionary definitions for colure



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

Word Origin for colure

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012