1. Astronomy . an alignment of three celestial objects, as the sun, the earth, and either the moon or a planet.
2. Classical Prosody . a group or combination of two feet, sometimes restricted to a combination of two feet of different kinds.
3. any two related things, either alike or opposite.
For a split moment we stand
A perfect syzygy of stupor
Then she screams
And I scream
And you flee
Leaving our world to explode
Under the weight of the unforgivable,
The error of coming home early.