餐室 [－－]

Jyutping caan1 sat1
Pinyin cān shǐ

Definitions (Wiktionary)
  1. noun
    dining room

餐室 [－－]

Jyutping caan1 sat1
Pinyin cān shì

Definitions (CC-CEDICT)
  1. dining room
Definitions (粵典–words.hk)
  1. 名詞
    香港​早期​對餐​廳​嘅​叫法​；​而家​仍然​有​餐廳​保留​著​呢​個​叫法
    cafe; restaurant