蝴蝶瓦 [－－－]

Jyutping wu4 dip6 ngaa5
Pinyin hú dié wǎ

Definitions (Wiktionary)
  1. noun
    small black tile (a name for the old-style curved roof tile)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）