Is “Equinoxes” a Scrabble word?
Yes
EQUINOXES
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Equinoxes
noun
1.The intersection of the apparent path of the sun in the sky (the ecliptic) with the celestial equator.
2.One of the two days on which this intersection occurs each year: (for the Northern hemisphere) March 20 or 21 in the spring and September 22 or 23 in the autumn.