-arian /eəriən $ eriən/ BrE AmE suffix
[ Language: Latin ; Origin: -arius ; -ARY ]
1 . [in nouns] someone who believes in or does a particular thing:
a vegetarian (=someone who does not eat meat)
a librarian (=someone who works in a library)
2 . [in adjectives] for people of this type, or relating to them:
a vegetarian restaurant