Search Result for "locum": 
Wordnet 3.0

NOUN (1)

1. someone (physician or clergyman) who substitutes temporarily for another member of the same profession;
[syn: locum tenens, locum]



WordNet (r) 3.0 (2006):

locum
    n 1: someone (physician or clergyman) who substitutes
         temporarily for another member of the same profession [syn:
         locum tenens, locum]