一切經音義 65.114

65.114

鑰牡（餘酌反下莫後反謂出鎻者也捶關下牡也案鑰與牡所以封固關閉令不可開也）。

鑰牡 (The upper character is pronounced with the fanqie 餘 + 酌 [yuè]; the lower with 莫 + 後 [mǔ]. It refers to what emerges from a lock, the bolt driven down into the lock. According to examination, the lock and bolt are used to seal, bar, and shut so that it cannot be opened.)