Dictionary Definition :
Definition[1]
:
禪宗以心傳心,不立文字的教法,叫做教外,其他佛的聲教,有文字可循的,都叫做教內。
Source
:
陳義孝編, 竺摩法師鑑定, 《佛學常見辭彙》
Definition[2]
:
Within instruction; in the sect or church; especially those who receive normal instruction from the written canon, opposite of 教外.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous