Source : Webster's Revised Unabridged Dictionary (1913)

Parnassian \Par*nas"sian\, n. [F. parnassien.]
   One of a school of French poets of the Second Empire
   (1852-70) who emphasized metrical form and made the little
   use of emotion as poetic material; -- so called from the name
   (Parnasse contemporain) of the volume in which their first
   poems were collected in 1866.

Parnassian \Par*nas"sian\, a. [L. Parnassius.]
   Of or pertaining to Parnassus.

Parnassian \Par*nas"sian\, n. [See {Parnassus}.] (Zo["o]l.)
   Any one of numerous species of butterflies belonging to the
   genus {Parnassius}. They inhabit the mountains, both in the
   Old World and in America.