### Clue: A conservative moron hedging over "abnormal union" (9)
### Answer: ACCRETION 
 ### Explanation: Definition: abnormal union
 A + C(abbrev. for a "Conservative", say, of the political kind) + CRETIN(a moron, used abusively) **containing**(hedging) O(abbrev. for "over", in cricket scores).
Defn: A growth from the joining together of animal or plant parts that are normally separate.