Definition of cruiserweight:
(n) :
Any of several weight classes in boxing or wrestling.
(n) :
(boxing) A boxer weighing less than 200lb; heavier than a light heavyweight and lighter than a heavyweight.
(n) :
(wrestling) A wrestler weighing less than 210lb; heavier than a light heavyweight and lighter than a heavyweight.
(n) :
(boxing, British, obsolete) light heavyweight