Per diem Meaning, Definition & Usage
- 
       noun a daily allowance for living expenses (especially while traveling in connection with your job)
        
      
 - 
       adverb one every day
       
       
by the day.
- we'll save 100 man-hours per diem
 
 
WordNet
Definitions
- by the day. [For other phrases from the Latin, see Quotations, Phrases, etc., from Foreign Languages, in the Supplement.]