plural welterweights
: a fighter in a class of boxers who weigh up to 147 pounds (67 kilograms) : a boxer who is heavier than a lightweight and lighter than a middleweight
—often used before another noun
the welterweight champion
Cite this Entry
“Welterweight.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/welterweight. Accessed 18 Jun. 2026.
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