一切經音義 20.67

20.67

樓櫓（下盧古反釋名云櫓露也上無覆屋施以拒戰也說文云櫓大盾也從木魯聲亦作𢲸也）。

樓櫓 ("towers and rampart turrets"; [the latter] fanqie: 盧 + 古. The Shiming says: "Lu (櫓) means exposed (露); without a roof above, it is erected to resist battle." The Shuowen says: "Lu means a great shield; it takes 木 as semantic and 魯 as phonetic"; it is also written as 𢲸).