Definition of sylvian:
(adj) :
Of or relating to Franciscus Sylvius (1614–1672; born Franz de le Boë), Dutch physician and scientist.
(adj) :
(astronomy) Of or relating to the asteroid (511) Davida.
(adj) :
Alternative form of Sylvian. [Of or relating to Franciscus Sylvius (1614–1672; born Franz de le Boë), Dutch physician and scientist.]