股掌 [－－]

Jyutping gu2 zoeng2
Pinyin gǔ zhǎng

Definitions (CC-CEDICT)
  1. (have sb in) the palm of one's hand
  2. fig. (under) one's complete control
Definitions (Wiktionary)
  1. noun, literary
    thigh and palm (of a hand)
  2. noun, archaic
    assistant to a government official