Syzygy
SYZYGY (Gr. trv^vyla, a yoking together, from o~vv, together, and root firy-, yoke), in astronomy, either of the points at which :he moon is most nearly in a line with the Sun. The Moon passes icr syzygies, or is in a syzygy, at new and full Moon.
'Theocritus, Brunck, Analecta veto. poet, grace, i. 304.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)