The Collaborative International Dictionary of English v.0.48:

Phrygian \Phryg"i*an\, prop. a. [L. Phrygius, Gr. Fry`gios, fr.
   Frygi`a Phrygia, a country of Asia Minor.]
   Of or pertaining to Phrygia, or to its inhabitants.
   [1913 Webster]

   Phrygian mode (Mus.), one of the ancient Greek modes, very
      bold and vehement in style; -- so called because fabled to
      have been invented by the Phrygian Marsyas. --Moore
      (Encyc. of Music).

   Phrygian stone, a light, spongy stone, resembling a pumice,
      -- used by the ancients in dyeing, and said to be drying
      and astringent.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Phrygian \Phryg"i*an\, prop. n.
   1. A native or inhabitant of Phrygia.
      [1913 Webster]

   2. (Eccl. Hist.) A Montanist.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Phrygian
    n 1: a native or inhabitant of Phrygia
    2: a Thraco-Phrygian language spoken by the ancient inhabitants
       of Phrygia and now extinct--preserved only in a few
       inscriptions