The Collaborative International Dictionary of English v.0.48:

Philharmonic \Phil`har*mon"ic\, a. [Philo- + Gr. "armoni`a
   harmony: cf. F. philharmonique.]
   Loving harmony or music.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Philharmonic \Phil`har*mon"ic\, n.
   One who loves harmony or music; also (Colloq.), short for
   Philharmonic Society, Philharmonic concert, Philharmonic
   assemblage, or the like.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

philharmonic
    adj 1: composing or characteristic of an orchestral group;
           "philharmonic players"
    2: devoted to or appreciative of music; "the most philharmonic
       ear is at times deeply affected by a simple air"
    n 1: a large orchestra; can perform symphonies; "we heard the
         Vienna symphony" [syn: symphony orchestra, symphony,
         philharmonic]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "Philharmonic":
   German band, band, big band, brass, brass band, brass choir,
   brass quintet, brass section, brasses, callithumpian band,
   chamber orchestra, combo, concert band, desks, dixieland band,
   ensemble, gamelan orchestra, group, jazz band, jug band,
   military band, orchestra, quartet, quintet, ragtime band,
   rock-and-roll group, sextet, skiffle band, steel band, street band,
   string band, string choir, string orchestra, string quartet,
   strings, swing band, symphony, symphony orchestra, trio, waits,
   woodwind, woodwind choir, woodwind quartet, woodwinds