Dictionary Definition :
Definition[1]
:
Four characters often placed on the boundary stones of monasterial grounds.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
(術語)言結界之外面。於界結之標石書此四字。自此表內為攝僧界也。
Source
:
丁福保《佛學大辭典》