The term 'A Natural, In Vegas' can be solved by two crossword solutions: SEVEN (5 letters) and ELEVEN (6 letters). SEVEN is a slang term for the number SEVEN on a dice roll, which is considered to be a lucky number in gambling. ELEVEN is a slang term for the number ELEVEN on a dice roll, which is also considered to be a lucky number in gambling. A natural is a term used in gambling to describe a winning combination of SEVEN or ELEVEN on a dice roll. Therefore, the term 'A Natural, In Vegas' can be interpreted as a lucky combination of SEVEN or ELEVEN while gambling in Las Vegas.