Dictionary Definition :
Definition[1]
:
The four oceans around Mount Sumeru; cf. 九山八海.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
四海===(雜名)佛教謂圍繞須彌山四方之外海為四海。
Source
:
丁福保《佛學大辭典》