SIDERAL

sideral|sidereal|siderean. Sideral, or Sidereal, or Siderean, a. starry, bright

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Sid″er‐al (?), a. [[L. sideralis. See Sidereal.]] 1. 1. Relating to the stars.
2. 2. (Astrol.) Affecting unfavorably by the supposed influence of the stars; baleful. “Sideral blast.” Milton.