The Collaborative International Dictionary
Syzygial
Syzygial \Sy*zyg"i*al\, a. Pertaining to a syzygy.
Wiktionary
syzygial
a. Of or pertaining to a syzygy.
Usage examples of "syzygial".
I'd seen a textbook drawing of such a syzygial pattern, although it had illustrated a lunar eclipse rather than a cornfield.