a. [as if f. L. *æquinoctiōn-em (see prec.) + -AL.] = EQUINOCTIAL. Hence Equinoctionally adv., in the direction of the equinoctial.
1658. Sir T. Browne, Gard. Cyrus, iv. 61. The floure twists Æquinoctionally from the left hand to the right, according to the dayly revolution.
