EQUINOCTIAL LINE • E-FREE TRANSLATION.COM • Definition of Equinoctial line

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adjective

Equinoctial adj.

Pertaining to an equinox, or the equinoxes, or to the time of equal day and night; as, the equinoctial line.

Pertaining to the regions or climate of the equinoctial line or equator; in or near that line; as, equinoctial heat; an equinoctial sun.

Pertaining to the time when the sun enters the equinoctial points; as, an equinoctial gale or storm, that is, one happening at or near the time of the equinox, in any part of the world.

Equinoctial colure (Astron.), the meridian passing through the equinoctial points.

Equinoctial line (Astron.), the celestial equator; so called because when the sun is on it, the nights and days are of equal length in all parts of the world. See Equator. "Thrice the equinoctial line He circled."

Equinoctial points (Astron.), the two points where the celestial and ecliptic intersect each other; the one being in the first point of Aries, the other in the first point of Libra.

Equinoctial time (Astron.) reckoned in any year from the instant when the mean sun is at the mean vernal equinoctial point.

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Etymology of 'Equinoctial line'

Collaborative International Dictionary of English 0.48

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"Equinoctial line" Quotes from Famous Books

... to go over, no carriages, camels, or beasts of any kind to carry our baggage, innumerable numbers of wild and ravenous beasts to encounter with, such as lions, leopards, tigers, lizards, and elephants; we had the equinoctial line to pass under, and, consequently, were in the very centre of the torrid zone; we had nations of savages to encounter with, barbarous and brutish to the last degree; hunger and thirst to struggle with, and, in one ...

— The Life, Adventures & Piracies of the Famous Captain Singleton • Daniel Defoe