兩埲唔同角度嘅#牆 相遇時形成嘅#角 位，通常會係#直角（量詞：個） (a corner formed by two walls meeting)
1 義項
原書拼音: /t͡sʰœːŋ²¹ kɔːk̚³/
corner (formed by two walls); nook