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junior lightweight

noun
  1. a boxer weighing up to 130 pounds (58.5 kg), between featherweight and lightweight.
Also called super featherweight.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for junior lightweight

junior lightweight

noun
    1. a professional boxer weighing 126–130 pounds (57–59 kg)
    2. (as modifier)a junior-lightweight bout
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