noun
Brazilian jiu-jitsu; BJJ
A martial art and combat sport focusing on grappling and ground fighting, derived from judo and traditional jiu-jitsu.
彼はブラジリアン柔術の黒帯を取った。
He earned a black belt in Brazilian jiu-jitsu.
ブラジリアン柔術は寝技が中心の格闘技
Brazilian jiu-jitsu is a martial art centered on ground techniques.