Equinoctial [noun]

Nor is the equinoctial heat more discouraging to them than the accumulated winter of both the poles.

I don't know if you remember that equinoctial gale that blew about the 18th or 19th.

She plunged into the chilly equinoctial darkness as the clock struck ten, for her fifteen miles' walk under the steely stars.

The next afternoon we crossed the equinoctial line in longitude 21 degrees 50 minutes west.

The 'kids' are two little stars which first rise in the evening towards the end of September, during the equinoctial gales.

These people procured for themselves locusts by lighting great fires, when the equinoctial winds brought these hosts.

When the sun is on the equator, there is equal length of day and night over all the earth: hence the name equinoctial.

Equinoctial, in astronomy, the circle in the heavens otherwise known as the celestial equator.

Artistic wind roses are placed at each of the equinoctial points, each with points representing the eight principal directions.

Very long and very severe were the equinoctial gales that year.