1Happening at or near the time of an equinox.
More example sentences
- 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.
- They are also equinoctial tides, occurring just after the autumn equinox on September 23, which would normally bring the highest tides of the year.
- But Numa may also have had an equinoctial birthday.
noun(also equinoctial line or equinoctial circle) Back to top
Definition of equinoctial in:
- The British & World English dictionary