Of or relating to Parnassus, as the source of literary (especially poetic) inspiration; (hence) of or belonging to poetry.

(rare) A poet. / A French poet of the Parnassianism movement. / (entomology) A papilionid butterfly of the holarctic alpine genus Parnassius or the subfamily Parnassiinae; an apollo butterfly.

plural of Parnassian

(literature) A French literary style which began during the positivist period of the 19th century.

plural of parnassian

Alternative letter-case form of Parnassian: any of numerous species of butterfly in the genus Parnassius.