either of the two points at which the celestial equator intersects the ecliptic
equinoctial point in American English
noun
either of the two points at which the celestial equator and the ecliptic intersecteach other; the position of the sun's center at the equinoxes
Word origin
[1720–30]This word is first recorded in the period 1720–30. Other words that entered Englishat around the same time include: arrangement, cordon bleu, fantail, personify, saloon