Dictionary Definition :
Definition[1]
:
初禪定 The first of the four meditative concentrations 四禪定.
Definition[2]
:
The first dhyāna, the first degree of dhyāna-meditation, which produces rebirth in the first dhyāna heaven.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[3]
:
四禪定中之第一禪名。
Source
:
陳義孝編, 竺摩法師鑑定, 《佛學常見辭彙》