boxing · noun U /ˈbɒk.sɪŋ/Full view
B1 a sport in which two competitors fight by hitting each other with their hands
Dictionary examples:

Many doctors believe that boxing is too dangerous and should be banned.

He's a former world heavyweight boxing champion.

Learner example:

You can do gym, boxing, squash, [and] tennis. (Preliminary English Test; B1; French)

Cambridge University Press