Spōr'a-dēs, n. pl.

nounplural

n. pl. [Lat., from Gr. σποράδες, from σπείρειν, to scatter.]

  1. (Geog.) A group of scattered islands; — applied especially to a group in the Egean Sea.
  2. (Astron.) Stars not included in any constellation; — now called informed or uninformed stars.