戒方 [－－]

Jyutping gaai3 fong1
Pinyin jiè fāng

Definitions (粵典–words.hk)
  1. 名詞
    戒尺​；​舊時​私塾​教師用​嚟​拍擊​教桌​令學生​注意​聽講​或​施行​體​罰​嘅​方形​木條
    ferule; ruler for beating students
Definitions (Wiktionary)
  1. noun, historical
    teacher’s ruler used for punishing pupils
    (syn.) 手板, 戒尺