Main Entry: syz·y·gy

Pronunciation: \ˈsi-zə-jē\

Function: noun

Inflected Form(s): plural syz·y·gies

Etymology: Late Latin syzygia conjunction, from Greek, from syzygos yoked together, from syn- + zygon yoke — more at yoke

Date: circa 1847

: the nearly straight-line configuration of three celestial bodies (as the sun, moon, and earth during a solar or lunar eclipse) in a gravitational system