The Collaborative International Dictionary of English v.0.48:

Stellar \Stel"lar\, Stellary \Stel"la*ry\, a. [L. stellaris, fr.
   stella a star. See Star.]
   1. Of or pertaining to stars; astral; as, a stellar figure;
      stellary orbs.
      [1913 Webster]

            [These soft fires] in part shed down
            Their stellar virtue.                 --Milton.
      [1913 Webster]

   2. Full of stars; starry; as, stellar regions.
      [1913 Webster] Stellate