教頭 [－头]

Jyutping gaau3 tau2
Pinyin jiào tóu

Definitions (粵典–words.hk)
  1. 名詞
    喺​啲​要求​紀​律​嘅​組​織​（​例如​係​軍隊​）​嗰​度​負​責​教​新​仔​嘅​人​（​量​詞​：​個​）
    Chief instructor, usually one in an organization that requires discipline, such as the army.
    • 教頭為咗令到阿松冇咁僝弱要佢喺操場跑十個圈，阿松佢渣到跑跑吓暈咗。
      教头为咗令到阿松冇咁僝弱要佢喺操场跑十个圈，阿松佢渣到跑跑吓晕咗。
      In order to make A-chung less feeble, Chief had him run 10 laps at the field. A-chung is so weak he fainted halfway.

教頭 [－头]

Jyutping gaau3 tau4
Pinyin jiào tóu

Definitions (CC-CEDICT)
  1. sporting coach
  2. military drill master (in Song times)
Definitions (Wiktionary)
  1. noun, archaic
    martial arts instructor
  2. noun
    trainer; coach; instructor
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    教头为咗令到阿松冇咁僝弱要佢喺操场跑十个圈，阿松佢渣到跑跑吓晕咗。
    教頭為咗令到阿松冇咁僝弱要佢喺操場跑十個圈，阿松佢渣到跑跑吓暈咗。
    • In order to make A-chung less feeble, Chief had him run 10 laps at the field. A-chung is so weak he fainted halfway.