| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. (Astron.), the meridian passing through the equinoctial points.[Websters]. | |
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| Expressions | Definition | ||
| Equinoctial colure | (Astron.), the meridian passing through the equinoctial points. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Equinoctial colure | Aerospace | That great circle of the celestial sphere through the celestial poles and equinoxes; the hour circle of the vernal equinox. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||