Prayer is an invocation or act that seeks to activate a rapport with an object of worship through deliberate communication.
In the narrow sense, the term refers to an act of supplication or intercession directed towards a deity or a deified ancestor.
The term "prayer" also refers to:
1. A religious service, especially a regular one, at which people gather to pray together
2. A fervent hope or wish
3. A slight chance or possibility (informal usage)