
1) Boxing weight class 2) Taekwondo weight class 3) Weight 4) Weight unit
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https://www.crosswordclues.com/clue/welterweight

Welterweight is a weight class division in combat sports. Originally the term `welterweight` was used only in boxing, but other combat sports like kickboxing, taekwondo and mixed martial arts also use it for their own weight division system. In most sports that use it, welterweight is heavier than lightweight but lighter than middleweight. ==Box.....
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http://en.wikipedia.org/wiki/Welterweight
[MMA] The welterweight division in mixed martial arts can refer to a number of different weight classes: ==Ambiguity and clarification== Many other sports that use the welterweight class, such as boxing, kickboxing, and Muay Thai, define it as below about 147 lbs. The MMA welterweight class is therefore significantly heavier than the welter...
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http://en.wikipedia.org/wiki/Welterweight_(MMA)

• (n.) A weight of 28 pounds (one of 40 pounds is called a heavy welterweight) sometimes imposed in addition to weight for age, chiefly in steeplechases and hurdle races. • (n.) A boxer or wrestler whose weight is intermediate between that of a lightweight and that of a middleweight.
Found on
http://thinkexist.com/dictionary/meaning/welterweight/
Wel'ter·weight` noun 1. (Horse Racing) A weight of 28 pounds (one of 40 pounds is called a
heavy welterweight ) sometimes imposed in addition to weight for age, chiefly in steeplechases and hurdle races.
2. A boxer or wrestler whose weight is intermediate between that of ...
Found on
http://www.encyclo.co.uk/webster/W/24

Welterweight is the professional weight category of maximum 67kg (147lb)
Found on
http://www.iluenglish.com/boxing-terms-explained-the-vocabulary-of-boxing/

A weight division, with an upper limit of 147 pounds.
Found on
http://www.pbs.org/unforgivableblackness/sparring/glossary.html

[
adj] - of a weight class of 135-147 lbs for boxers 2. [n] - a weight of 28 pounds 3. [n] - a wrestler who weighs 154-172 pounds 4. [n] - a boxer who weighs no more than 147 pounds
Found on
http://www.webdictionary.co.uk/definition.php?query=welterweight
noun a professional boxer who weighs between 141 and 147 pounds
Found on
https://www.encyclo.co.uk/local/20974

A weight-class where competitors range from 156 lbs (70.7 kg) and 170 lbs (77.1 kg) in weight.
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https://www.encyclo.co.uk/local/22723

A weight-class where competitors range from 156 lbs (70.7 kg) and 170 lbs (77.1 kg) in weight.
Found on
https://www.encyclo.co.uk/local/23311

A weight-class where competitors range from 156 lbs (70.7 kg) and 170 lbs (77.1 kg) in weight.
Found on
https://www.titleboxing.com/mma-dictionary
No exact match found.