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

1.
arte marcial
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.
Ele pratica artes marciais há mais de dez anos.
•
Many children learn martial arts for discipline and self-defense.
Muitas crianças aprendem artes marciais para disciplina e autodefesa.