different between heavyweight vs cruiserweight

English

heavy +? weight

heavyweight (plural heavyweights)

A very large, heavy, or impressive person.
- 2011 Allen Gregory, "Pilot" (season 1, episode 1):
  Allen Gregory DeLongpre: Who's he?
  Patrick: He's only the most popular kid in school.
  Allen Gregory: Ah, the two heavyweights finally meet. Sure you're tired of all the buzz. Allen Gregory DeLongpre.
  Joel Zadak: Joel...Zadak!
(uncountable) The professional boxing weight class for boxers weighing more than 190 pounds; a boxer in that division.
(uncountable) A similar division and contestant in other sports.

heavyweight (not comparable)

cruiser +? weight

cruiserweight (plural cruiserweights)

(boxing, Britain, obsolete) light heavyweight
(boxing) A boxer weighing less than 200lb; heavier than a light heavyweight and lighter than a heavyweight.
(wrestling) A wrestler weighing less than 210lb; heavier than a light heavyweight and lighter than a heavyweight.

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