► 名詞二号 [(2)にごう] [coll]
meaning: mistress rank: 4☆
彼女は
大金持ちの二号だ ⇨ She is a mistress of a rich man
(☛ Literally means “number 2”)More examples:- 彼は二号を囲っている ⇨ He maintains another woman (secretly, by providing money)
- これは試作車の二号車だ ⇨ This is the prototype car No.2