Welcome to Question.com Skip directly to: Search Box, Site Navigation, Content.

 
 

Equinox

n.
  1. The time when the sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal.
  2. Equinoctial wind or storm.