### Clue: Force rodent outside small flat (12)
### Answer: CONSTABULARY 
 ### Explanation: Definition: Force
 CONY(or coney;rabbit, a mammal which shares a common lineage with rodents) **containing**(outside) [ S(abbrev. for "small") + TABULAR(flat like a, well, table surface) ].
Defn: A force consisting of, well, constables and the like.