IPA: /ˈmɪdəlˌweɪt/
KK: /ˈmɪdəlˌweɪt/
A person who competes in a specific weight class in boxing or other sports, typically with a weight limit of 160 pounds (72 kilograms).
The middleweight champion defended his title in a thrilling match last night.
Middleweight → It is formed from "middle" (from Old English "midde", meaning the center or midpoint) and "weight" (from Old English "wēght", meaning heaviness or mass). The term "middleweight" refers to a weight class that is in the middle range of weights, particularly in sports like boxing.
Think of being in the 'center' ('middle') of a range of 'heaviness' ('weight') — that's why middleweight refers to a weight class that is neither too light nor too heavy.
No commonly confused words.