### Clue: Company holding ace function in a better place (6)
### Answer: CASINO 
 ### Explanation: Definition: a better place
 CO(abbrev. for "Company", a commercial concern) **containing**(holding) [ A(abbrev. for "ace" in card games) + SIN(abbrev. for "sine", the mathematical function;ratio) ].
Defn: A place for betters;gamblers.