男界 [－－]

Jyutping naam4 gaai3
Pinyin nán jiè

Definitions (CC-CANTO)
  1. (noun) male WC; man washroom
Definitions (粵典–words.hk)
  1. 名詞
    男廁​；​通常​只​係​用​喺​廁​所​外​嘅​標​誌
    men's toilet; used in signage outside facilities designated for males
Definitions (Wiktionary)
  1. noun, Cantonese
    man's toilet; men's room
  2. noun, Min-Dong
    man; male