'Sideral' definitions:
Definition of 'Sideral'
From: GCIDE
- Sideral \Sid"er*al\, a. [L. sideralis. See Sidereal.]
- 1. Relating to the stars. [1913 Webster]
- 2. (Astrol.) Affecting unfavorably by the supposed influence of the stars; baleful. "Sideral blast." --Milton. [1913 Webster]