aequinoctii
form analysis and translation based on Perseus (Version 2010):
GEN S N
aequinoctium N  the equinox
Helmut Schmid's TreeTagger with Latin data by Gabriele Brandolini: aequinoctium N:gen
Georges, Ausführliches lateinisch-deutsches Handwörterbuch, 8. Aufl. (1913)
aequinoctium, ī, n. (aequus u. nox, s. Varr. LL. 6, 8), die Tag- u. Nachtgleiche (griech. ἰσηµερία), dies aequinoctii, Caes.: aequ. vernum, Liv. u. Mela: autumnale, Liv. u. Mela: autumni, Plin.: aequinoctium exspectare, Cic.
Lewis & Short, A latin dictionary (1879)
aequinoctium, aequĭnoctĭum, i, n. aequus-nox, the time of equal days and nights, the equinox, Cic. Att. 12, 28, 3; Caes. B. G. 4, 36; cf. id. ib. 5, 23, Varr. L. L. 6, § 8 Müll.: autumnale, Liv 31, 47: vernum, id. 33, 3: aestus duobus aequinoctiis maxime (show full text)
Gaffiot, Dictionnaire latin-français (2016, ex 1934), merci à G. Gréco, M. De Wilde, B. Maréchal, K. Ôkubo!
aequinoctium æquĭnoctĭum, ĭī, n. (æquus, nox), équinoxe, égalité des jours et des nuits : Cato Agr. 144 ; Cic. Att. 12, 28, 3 ; Cæs. G. 4, 36, 2 ; Varro L. 6, 8 ; Plin. 2, 215.
Дворецкий И.Х., Отличный латинско-русский словарь (1976)
aequinoctium aequinoctium, ī n [aequus + nox] равноденствие (ae. vernum L, Mela; ae. autumnale L, Mela).
Latinitatis medii aevi lexicon Bohemorum (thanks to the Centre for Classical Studies at the Institute of Philosophy of the Czech Academy of Sciences (www.ics.cas.cz/en)) (2017)
aequinoctium aequinoctium, (equinocci-), -i, n. script. et form.: equinoxi- |CapPr P 1459 f.61r|; equinoccia, equinortium v. infra 1 aequitas dierum et noctium – rovnodennost: e-a sit nocirownost |ClarVoc 282|; e-um dwe nasob, id est equalitas noccium |LexClemB (show full text)