Source : Webster's Revised Unabridged Dictionary (1913)

Milesian \Mi*le"sian\, a. [L. Milesius, Gr. ?.]
   1. (Anc. Geog.) Of or pertaining to Miletus, a city of Asia
      Minor, or to its inhabitants.

   2. (Irish Legendary Hist.) Descended from King Milesius of
      Spain, whose two sons are said to have conquered Ireland
      about 1300 b. c.; or pertaining to the descendants of King
      Milesius; hence, Irish.

Milesian \Mi*le"sian\, n.
   1. A native or inhabitant of Miletus.

   2. A native or inhabitant of Ireland.