martial art
US /ˌmɑːr.ʃəl ˈɑːrt/
UK /ˌmɑːr.ʃəl ˈɑːrt/

1.
art martial
any of various sports or skills, mainly of Japanese and Chinese origin, that involve fighting and self-defense, such as judo, karate, and kung fu
:
•
He has been practicing martial arts for over ten years.
Il pratique les arts martiaux depuis plus de dix ans.
•
Many children learn martial arts for discipline and self-defense.
De nombreux enfants apprennent les arts martiaux pour la discipline et l'autodéfense.