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equinoctial
equinoctial definition
equi·noc·tial (ē′kwi näk′s̸həl)
adjective
- relating to either of the equinoxes or to equal periods of day and night
- occurring at or about the time of an equinox
- equatorial
Etymology: ME & OFr equinoxial < L aequinoctialis
noun
- celestial equator
- a storm occurring at or about the time of an equinox
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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