A somewhat formal or literary term for boxing; in everyday speech, ボクシング is far more common.
See also: ボクシング
He used to learn boxing when he was young.
Watching boxing matches is my hobby.
boxer
boxing (as an art or technique)
boxer; fighter
Compound of 拳 (fist) and 闘 (fight). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning 'boxing'.