1astron.celestial equator, circle in the spheres which extrapolates the Earth's equator:
(
c.1230; MS: 1275-85
)
Li premer cercle en sun estal Est numé septemtrional, Le secund est solsticial, Le tierz est equinoccial [...]. Le equinoccial est si ardant Ke nul alme n’i est manant
420 and 437
2astron.timeequinox, twice-yearly astronomical event when day and night are nearly of equal length:
(
c.1230; MS: 1275-85
)
Pur tant est dit equinoccial Ke jur e nuit sunt paringal
439
equinoccial (c.1230)