equinoctial

(ē′kwi näks̸həl)

adjective

  1. relating to either of the equinoxes or to equal periods of day and night
  2. occurring at or about the time of an equinox
  3. equatorial

Origin: ME & OFr equinoxial < L aequinoctialis

noun

  1. celestial equator
  2. a storm occurring at or about the time of an equinox

See equinoctial in American Heritage Dictionary 4

adjective
  1. Relating to an equinox.
  2. Relating to the celestial equator.
noun
  1. A violent storm of wind and rain occurring at or near the time of the equinox.
  2. See celestial equator.

Origin:

Origin: Middle English equinoxial

Origin: , from Old French

Origin: , from Latin aequinoctiālis

Origin: , from aequinoctium, equinox; see equinox

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