窿 [---]

Jyutping fat1 lung4 ngaan5
Pinyin kū long yǎn

Definitions (Wiktionary)
  1. noun
    small hole; small cavity
    (syn.) 利和, 利和骨, 洞眼, 窟窿窿

窟窿眼 [---]

Jyutping
Pinyin kū long yǎn

Definitions (CC-CEDICT)
  1. small hole