康熙字典
【午集下】【穴字部】䆢 ·康熙筆画:12 ·部外筆画:7
《唐韻》於決切,音抉。《說文》深抉也。《玉篇》穴貌。空也,穿也。
to penetrate; to pierce through, a hole; an aperture; an opening, a cave