a. Obs. rare1. [f. Gr. ἀστραῖ-ος starry (cf. L. Astræus, Astræa) + -AN.] Of or belonging to the stars.

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1647.  Howell, Lett., III. ix. (1726), 425. Every Star in Heaven … is coloniz’d and replenish’d with Astrean Inhabitants.

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