Definition of "middleweight" []

• A weight division in professional boxing having an upper limit of 160 pounds (72 kilograms), between junior middleweight and super middleweight. (noun)
• A boxer competing in this weight division. (noun)
• A similar weight division in other sports, such as weightlifting. (noun)
• A contestant in this weight division. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Inside scoop: Karami won at the 2003 worlds in middleweight, which isn't an Olympic division so he has moved to welterweight."
• "Unable to secure a lucrative match with cash cow Oscar De La Hoya, Wright accepted the challenge of former three-division king Felix "Tito" Trinidad in a non-title middleweight match-up, a fan favorite that was in the midst of a comeback after an extended layoff and a feared power puncher that many figured might be able to knock Wright out."
• "The UFC's first ever light heavyweight champion (at the time referred to as middleweight championship), Shamrock went on to defend the the title four times from 1998 through 1999, cementing his place as one of the organizations most dominant champions of all time."