Meaning 1 ►▼
a competitor in the strongest, heaviest division
Joe Louis was a great heavyweight boxer.
Meaning 2 ►▼
to be the most important
International Business Machines is a heavyweight in the computer business.
Wrestling is a very old sport in which two opponents struggle hand to hand to throw each other to the ground or to a mat. Depending on the type of wrestling, different grips or "holds" are used.