Webster's Revised Unabridged Dictionary · 1913

Parnassian

Parnassian , adjective

[Latin Parnassius.]

Of or pertaining to Parnassus.

Parnassian , noun

[See Parnassus.]

(Zoology) Any one of numerous species of butterflies belonging to the genus Parnassius. They inhabit the mountains, both in the Old World and in America.

Parnassian , noun

[French parnassien.]

One of a school of French poets of the Second Empire (1852-70) who emphasized metrical form and made 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.