[ek-sturn-ship] 
| a required period of supervised practice done off campus or away from one's affiliated institution: The young doctor served six months of externship at a nearby clinic. |
| ex·tern or ex·terne (ěk'stûrn') n. A person associated with but not officially residing in an institution, especially a nonresident physician on a hospital staff. [Latin externus, external; see external.] ex'tern·ship' n. |
stɜrnˌʃɪp