Definition of araucarian:
(adj) :
(botany) Relating to, or of the nature of, trees of family Araucariaceae.
(n) :
Any tree of the genus Araucaria.
(adj) :
(crosswording) Of or pertaining to the cryptic crossword style used by "Araucaria" (John Galbraith Graham); focused on humour and lateral thinking rather than strict grammaticality.
(adj) :
Alternative letter-case form of araucarian. [(botany) Relating to, or of the nature of, trees of family Araucariaceae.]