Dog fighter (5)
I believe this clue is a double definition.
'dog' is the first definition.
(I know that Boxer is a dog breed)
'fighter' is the second definition.
(boxers fight each other)
(Other definitions for boxer that I've seen before include "Breed of stocky short-haired dog" , "canine" , "Pug - dog" , "Pugilist - dog" , "one that's accustomed to fighting" .)
I believe this clue is a double definition.
'dog' is the first definition.
(I know that pug is a type of dog)
'fighter' is the second definition.
(I've seen this in other clues)
(Other definitions for pug that I've seen before include "Dog breed; worked clay" , "Small stocky dog" , "Small compact dog" , "Small dog with flat nose and wrinkled face" , "Dog with broad flat nose, or short fighter" .)