### Clue: Ruler repeatedly needled by chisellers (9)
### Answer: CLEOPATRA 
 ### Explanation: Definition: Ruler
 Cryptic defn: Reference to Cleopatra's Needle, the popular name for each of 3 Ancient Egyptian obelisks, chiselled with hieroglyphs, re-erected in London, Paris and New York -a misnomer, as apart from being in the same country, they were unconnected to Queen Cleopatra of Egypt (and even she was of Greek origin).