Dictionary Definition :
Definition[1]
:
Meditation on the six elements; in the exoteric cult, that they are unreal and unclean; in the esoteric cult, that the Buddha and human elements are of the same substance and interchangeable, see above.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
觀地、水、火、風、空、識等六大。此有顯、密之別,顯教觀六大之空不淨,密教則觀其圓融無礙。
Source
:
佛光電子大辭典
Page
:
p1253
Definition[3]
:
觀察六大的行法,在顯教是觀察六大之空與不淨,在密教是觀察六大之圓融無礙。
Source
:
陳義孝編, 竺摩法師鑑定, 《佛學常見辭彙》
Definition[4]
:
六大觀===(名數)在顯教,觀六大之空不淨也。在密教,觀六大之圓融無礙也。嘉祥仁王經五曰:「作六大觀,四大空識也。」
Source
:
丁福保《佛學大辭典》