god noun definition in Types of belief topic from the Oxford Advanced Learner's Dictionary

god

 noun: Types of belief topic
1 God [singular] (not used with the) (in Christianity, Islam and Judaism) the being or spirit that is worshipped and is believed to have created the universe Do you believe in God? Good luck and God bless you. the Son of God (= Christ) I swear by Almighty God that the evidence I shall give… (= in a court of law)2 [countable] (in some religions) a being or spirit who is believed to have power over a particular part of nature or who is believed to represent a particular quality Mars was the Roman god of war. the rain god Greek gods