Wordnet 3.0
ADJECTIVE (1)
1. 
 relating to or associated with a job or employment; 
- Example: "on-the-job training"- Example: "on-the-job requirements"
WordNet (r) 3.0 (2006):
on-the-job
    adj 1: relating to or associated with a job or employment; "on-
           the-job training"; "on-the-job requirements"