Dictionary Definition :
Definition[1]
:
Sealed with the sign of manhood, i.e. of the religious life. 大仙 Maharsi. Great sages, applied to Buddhist saints as superior to ordinary "immortals"; also to sravakas, and especially to Buddha; | | 戒 are the Buddha's laws or commands. Vasistha 婆私瑟侘 was one of the seven rsis 大仙 of Brahmanic mythology.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous