牢房 [－－]

Jyutping lou4 fong4
Pinyin láo fáng

Definitions (粵典–words.hk)
  1. 名詞
    牢獄​中​俾​囚犯​住​嘅​房​（​量​詞​：​間​）
    prison cell
    • 呢間監獄有一百間牢房，守衞森嚴。
      呢间监狱有一百间牢房，守卫森严。
      nei1 gaan1 gaam1 juk6 jau5 jat1 baak3 gaan1 lou4 fong4, sau2 wai6 sam1 jim4.
      This prison consists of 100 cells and has rigid security.
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）

牢房 [－－]

Jyutping lou4 fong2
Pinyin láo fáng

Definitions (CC-CEDICT)
  1. jail cell
  2. prison cell
Definitions (Wiktionary)
  1. noun, broadly
    prison; jail
  2. noun
    prison cell; jail cell
    (syn.) 囚室
Examples (粵典–words.hk)
  1. Cantonese
    呢间监狱有一百间牢房，守卫森严。
    呢間監獄有一百間牢房，守衞森嚴。
    nei1 gaan1 gaam1 juk6 jau5 jat1 baak3 gaan1 lou4 fong4, sau2 wai6 sam1 jim4.
    • This prison consists of 100 cells and has rigid security.
Examples (Wiktionary)
  1. Mandarin
    那囚犯被关在单人牢房内。
    那囚犯被關在單人牢房內。
    nà qiú fàn bèi guān zài dān rén láo fáng nèi ．
    • The prisoner was locked in a cell.