adjective: Of or relating to Parnassus, as the source of literary (especially poetic) inspiration; (hence) of or belonging to poetry.
adjective: (poetry, from Gerard Manley Hopkins' writings) Describing a style of poetry or language which can only be created by poets, but not in the language of inspiration.
adjective: (literature, historical) Of or relating to the Parnassianism movement of French poetry in the years 1850 to 1900, whose adherents rejected Romanticism and instead favored classicism with its formal structure and emotional detachment.
adjective: (entomology) Of, relating to, or designating papilionid butterflies of the genus Parnassius or the subfamily Parnassiinae, consisting of the apollo butterflies.
noun: (rare) A poet.
noun: A French poet of the Parnassianism movement.
noun: (entomology) A papilionid butterfly of the holarctic alpine genus Parnassius or the subfamily Parnassiinae; an apollo butterfly.
noun: Alternative letter-case form of Parnassian: any of numerous species of butterfly in the genus Parnassius. [(rare) A poet.]