Source: The Collaborative International Dictionary of English v.0.48
Judaism \Ju"da*ism\, prop. n. [L. Juda["i]smus: cf. F.
juda["i]sme.]
1. The religious doctrines and rites of the Jews as enjoined
in the laws of Moses, and for many adherents, in the
Talmud. --J. S. Mill.
[1913 Webster]
2. Conformity to the Jewish rites and ceremonies; the
practise of Judaism[1].
[1913 Webster]
3. The adherents of Judaism[1] collectively; jewry.
[PJC]