### Clue: Child one is longing to lift up to secure access to Santa? (7,3)
### Answer: CHIMNEY POT 
 ### Explanation: Definition: access to Santa
 CH(abbrev. for "child") + I'M("I am"/one is, with the Roman numeral for one as the first person pronoun) + **reversal of**(… to lift, in a down clue) YEN(a longing/a desire) + POT(to secure/to succeed in obtaining).
Defn:  Through which Santa Claus supposedly visits houses, assuming he's not too chubby.