Eudoxian adjective 2noun 2forms 1 adjective2 •Of or relating to Eudoxus of Cnidus. •Of or relating to Eudoxius of Antioch noun2 •A follower of Eudoxus of Cnidus (408–355 BC), Greek astronomer and mathematician. •A follower of Eudoxius of Antioch (died in 370), patriarch of Antioch and Constantinople, and a celebrated defender of the doctrines of Arius. formsEudoxians