colure noun.
[kǝ'ljʊǝ] LME.[Late Latin coluri pl. from Greek kolourai (sc. grammai lines) pl. of kolouros truncated, from kolos docked + oura tail (so called because their lower part is permanently cut off from view).]Astronomy. Either of the two great circles passing through the celestial poles and intersecting the ecliptic at either the equinoxes or the solstices.
[TahlilGaran] English Dictionary ▲