noun
sanitary waste receptacle; sanitary bin
A small bin, often found in women's restrooms, for disposing of sanitary products. The term is wasei-eigo, derived from English 'sanitary box'.
wasei-eigo (Japanese-coined English), from sanitary box
See also: 汚物入れ
トイレのサニタリーボックスがいっぱいだった。
The sanitary bin in the restroom was full.