榫眼 [－－]

Jyutping seon2 ngaan5
Pinyin sǔn yǎn

Definitions (CC-CEDICT)
  1. mortise (slot cut into wood to receive a tenon)
Definitions (Wiktionary)
  1. noun
    mortise
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）