Sideral
Pronunciation : Sid"er*al
Part of Speech : a.
Etymology : [L. sideralis. See Sidereal.]
Definition : 1. Relating to the stars.
2. (Astrol.)
Defn: Affecting unfavorably by the supposed influence of the stars; baleful. "Sideral blast." Milton.
Source : Webster's Unabridged Dictionary, 1913