Nevada gambling city (8)
'nevada gambling city' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for reno that I've seen before include "Nevada city of Nero" , "Divorce capital of Nevada" , "City in Nevada known for casinos and easy divorce" , "City in Nevada known for casinos and easy divorces" , "City in Nevada known for gambling and easy marriage/divorce" .)