解手 [－－]

Jyutping gaai2 sau2
Pinyin jiě shǒu

Definitions (CC-CEDICT)
  1. to relieve oneself (i.e. use the toilet)
  2. to solve
Definitions (粵典–words.hk)
  1. x
  2. 動詞、書面語
    即​係​去​廁所​大小便​、​大解​小解​，​比較​古雅​嘅​講​法
    to go toilet, to excrete, an older and more elegant way to say
  3. 近義詞
    出恭、大小便
Definitions (Wiktionary)
  1. verb, colloquial, euphemistic
    to relieve oneself; to defecate or urinate
    (syn.) 便溺, 解溲, 方便
  2. verb, archaic
    to part; to become separated
  3. noun, archaic
    way to relieve a crisis