Definition: Psinet3 refers to a form of prayer where one or more people (often called "priests") gather together with their own prayers, songs, and other forms of worship; they are usually held in public spaces like synagogues or temples. Definition: Psinet3 is a type of religious practice that involves the praying of one's own prayers to God. It can be found in many Christian denominations, but it has also been observed in other religions such as Islam and Judaism.