### Clue: Left in charge, teenager's opening wine (6)
### Answer: CLARET 
 ### Explanation: Definition: wine 
 L(abbrev. for "left") **contained in**(in) CARE(the provision of protection, welfare, etc. for a person or thing, as in "put in the charge of an older sibling") + **the 1st letter of**(…'s opening) "teenager".