equinoctial (redirected from equinoctial lines)

e·qui·noc·tial  (kw-nkshl, kw-)

adj.

1. Relating to an equinox.

2. Relating to the celestial equator.

n.

1. A violent storm of wind and rain occurring at or near the time of the equinox.

2. See celestial equator.

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[Middle English equinoxial, from Old French, from Latin aequinoctilis, from aequinoctium, equinox; see equinox.]

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equinoctial

Adjective

relating to or occurring at an equinox

Noun

a storm at or near an equinox

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equinoctial  (kw-nkshl, kw-)

Adjective

1. Relating to an equinox.

2. Relating to the celestial equator.

Noun

See celestial equator.

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equinoctial

a severe storm at sea, usually occurring near the equinox and mistakenly thought to be the result of the sun crossing the equatorial line.

See also: Sea

Thesaurus

Noun	1.	equinoctial - the great circle on the celestial sphere midway between the celestial poles celestial equator, equinoctial circle, equinoctial line great circle - a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center
Adj.	1.	equinoctial - relating to the vicinity of the equator
	2.	equinoctial - relating to an equinox (when the lengths of night and day are equal)