Online Google Dictionary

colure 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/kəˈlo͝or/,
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colures, plural;
  1. Either of two great circles intersecting at right angles at the celestial poles and passing through the ecliptic at either the equinoxes or the solstices

  1. Colure, in astronomy, is either of the two principal meridians of the celestial sphere.
  2. A great circle that passes through the celestial poles and either the equinoxes (equinoctial colure) or solstices (solstitial colure)
  3. One of two great circles intersecting at right angles in the poles of the equator.