Dictionary.com
Thesaurus.com

catchweight

American  
[kach-weyt] / ˈkætʃˌweɪt /

noun

Sports.
  1. the chance or optional weight of a contestant, as contrasted with a weight fixed by agreement or rule.


catchweight British  
/ ˈkætʃˌweɪt /

adjective

  1. wrestling of or relating to a contest in which normal weight categories have been waived by agreement

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of catchweight

First recorded in 1810–20; catch + weight