磕頭 [－头]

Jyutping hap6 tau4
Pinyin kē tóu

Definitions (CC-CEDICT)
  1. to kowtow (traditional greeting, esp. to a superior, involving kneeling and pressing one's forehead to the ground)
Definitions (Wiktionary)
  1. verb
    to kowtow; to kneel and bow low enough to touch one's forehead to the ground
    (syn.) 叩頭, 叩头, 叩拜
  2. verb, Min-Nan
    to ram one's head; to hit one's head (against something)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）