Definition of milesian

• a. - Of or pertaining to Miletus, a city of Asia Minor, or to its inhabitants.
• a. - 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.
• n. - A native or inhabitant of Miletus.
• n. - A native or inhabitant of Ireland.