Definify.com
Webster 1913 Edition
Parnassian
Par-nas′sian
,Adj.
[L.
Parnassius
.] Of or pertaining to Parnassus.
Par-nas′sian
,Noun.
[See
Parnassus
.] (Zool.)
Any one of numerous species of butterflies belonging to the genus
Parnassius
. They inhabit the mountains, both in the Old World and in America.