- either of the two points at which the celestial equator and the ecliptic intersect each other; the position of the sun's center at the equinoxes.
Origin of equinoctial point
First recorded in 1720–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- either of the two points at which the celestial equator intersects the ecliptic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012