Dictionary Definition :
Definition[1]
:
The alpha and omega in four laws or dogmas— that nothing is permanent, that all things involve suffering, that there is no personality, and that nirvāṇa is 永寂 eternal rest.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
指「無常、苦、非我、寂滅涅槃」,意即「四法印」。
Source
:
漢譯阿含經辭典,莊春江編(1.4版)
Definition[3]
:
(名數)增一阿含經十八曰:「今有四法本末如來所說,云何為四?一切諸行無常,是謂初法本末如來所說。一切諸行苦,是謂第二法本末如來所說。一切諸行無我,是謂第三法本末如來所說。涅槃永寂,是謂第四法本末如來所說。」
Source
:
丁福保《佛學大辭典》