Obs. rare. In 7 æq-. [? f. as prec. + -AN; but cf. next.] = EQUINOX 1.

1

1627.  May, Lucan, X. 264 (1631), S 4.

        Nor is [Nile] confin’d within his bankes againe
Till the Autumnal æquinoctian.

2