from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Relating to an equinox.
- adj. Relating to the celestial equator.
- n. A violent storm of wind and rain occurring at or near the time of the equinox.
- n. See celestial equator.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or relating to an equinox.
- adj. Of or relating to a celestial or terrestrial equator.
- n. The great circle midway between the celestial poles; the celestial equator.
- n. The terrestrial equator.
from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to an equinox, or the equinoxes, or to the time of equal day and night.
- adj. Pertaining to the regions or climate of the equinoctial line or equator; in or near that line
- adj. Pertaining to the time when the sun enters the equinoctial points.
- n. The equinoctial line.
from The Century Dictionary and Cyclopedia
- Pertaining to the equinoxes; marking an equal length of day and night: as, the equinoctial line, or equator.
- Pertaining to the regions or climate of the equinoctial line, or equator; in or near that line: as, equinoctial heat; an equinoctial sun; equinoctial wind.
- Occurring at the time of an equinox: as, an equinoctial storm.
- n. In astronomy, the celestial equator: so called because when the sun is on it the days and nights are of equal length in all parts of the world.
- n. A gale or storm occurring at or near the time of an equinox.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. relating to the vicinity of the equator
- n. the great circle on the celestial sphere midway between the celestial poles
- adj. relating to an equinox (when the lengths of night and day are equal)
Middle English equinoxial, from Old French, from Latin aequinoctiālis, from aequinoctium, equinox; see equinox.(American Heritage® Dictionary of the English Language, Fourth Edition)