齒管 [齿－]

Jyutping ci2 gun2
Pinyin chǐ guǎn

Definitions (Wiktionary)
  1. noun, Xiamen, Zhangzhou-Hokkien
    mug for mouth-rinsing or tooth-cleaning; tooth mug
    (syn.) 水口杯, 齒觳, 齿觳仔, 齿杯, 齒杯, 𠺘口盅, 漱口杯, 齒觳仔, 齿觳, 牙缸