Re: religion

https://www.google.com/?gws_rd=ssl#q=religion+definition

re·li·gion
rəˈlijən/
noun
noun: religion
1. the belief in and worship of a superhuman controlling power, especially a personal God or gods.
"ideas about the relationship between Science and religion"
synonyms:
faith, belief, worship, creed; More
sect, church, cult, denomination
"the freedom to practice their own religion"
a particular system of faith and worship.
plural noun: religions
"the world's great religions"
a pursuit or interest to which someone ascribes supreme importance.
"consumerism is the new religion"
Christianity /ˌkrɪstʃiˈænəti/ noun

http://www.learnersdictionary.com/definition/Christianity

Christianity
/ˌkrɪstʃiˈænəti/
noun
Learner's definition of CHRISTIANITY
[noncount]
: the religion that is based on the teachings of Jesus Christ Tweet