extern

Noun

ex=tern

WORDNET DICTIONARY

extern(n = noun.person) medical extern - a nonresident doctor or medical student; connected with a hospital but not living there;

is a kind of doc, doctor, dr., md, medico, physician

extern, a. [Cf. F. externe. See External.].

External; outward; not inherent. Shak. [1913 Webster]

extern, n. [Cf. F. externe.].

A pupil in a seminary who lives without its walls; a day scholar. [1913 Webster]
Outward form or part; exterior. [1913 Webster]
same as externe. [PJC]

extern, n. [F. Cf. Extern.].

a person affiliated with an institution who does not reside there; [Webster 1913 Suppl.]