also: ジュニアウエルターきゅう
noun
junior welterweight (boxing)
A weight class in boxing, also known as super lightweight, with a limit of 140 pounds (63.5 kg).
彼はジュニアウェルター級の世界チャンピオンだ。
He is the world champion in the junior welterweight division.
ジュニアウェルター級の試合は今夜行われる。
The junior welterweight bout will take place tonight.
The weight class below, with a limit of 135 pounds (61.2 kg).
From English 'junior welterweight' plus 級 (class).