Dictionary Definition :
Definition[1]
:
The sign of the great wisdom sword, the same esoteric sign as the 寳甁印 and 塔印 There are two books, the abbreviated titles of which are 大慧語錄 and its supplement the 大慧武庫.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
(印相)其形同於塔印。十八道事鈔上:「塔印、寶瓶印、大慧刀印,此三印同印別名也,隨其所用改阿闍梨觀心也。」【參見: 塔印】
Source
:
丁福保《佛學大辭典》