Definition Of equinoctial
happening at or near the time of an equinox.
The nights start drawing in quite quickly, and by late September the first of the equinoctial gales will have appeared with the weather in the hills of Scotland turning decidedly chilly at times.
Example Of equinoctial
A star on the north side of the equinoctial is in northern declination, and one on the southern side is in southern declination.
But Numa may also have had an equinoctial birthday.
Lindley has made us acquainted with a species of Salix belonging to Senegal, and therefore to the equinoctial region of Africa.
One of the effects of equinoctial periods is their temporary disruptive effect on communications satellites.
Outside, the equinoctial storms of mid-September are raging.