### Clue: Saint and queen accessing two narrow areas (6)
### Answer: ISTHMI 
 ### Explanation: Definition: narrow areas
 [ ST(abbrev. for "saint") + HM(abbrev. for "Her Majesty", otherwise known as the Queen) **contained in**(accessing) II(Roman numeral for "two").
Answer: Plural of "isthmus", a narrow strip of land separating 2 bodies of water.