Equinoctial colure

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Related to Equinoctial colure: solstitial colure
(Astron.) the meridian passing through the equinoctial points.

See also: Equinoctial

References in periodicals archive ?
The great circle that connects the vernal equinox with the north celestial pole - and more-or-less hooks it to Polaris - is called the equinoctial colure.