### Clue: Salary? Mine must be returned in post! (7)
### Answer: STIPEND 
 ### Explanation: Definition: Salary
 **Reversal of**(… must be returned) PIT(a mine/a hole in the ground) **contained in**(in) SEND(to post, by snail mail in the old days).
Defn: A fixed regular sum paid to a clergyman, teacher or public official.