Lacedaemonian \Lac`e*d[ae]*mo"ni*an\, a. [L. Lacedamonius, Gr. Lakedaimo`nios, fr. Lakedai`mwn Laced[ae]mon.] Of or pertaining to Laced[ae]mon or Sparta, the chief city of Laconia in the Peloponnesus. -- n. A Spartan. [Written also {Lacedemonian}.] [1913 Webster]