Priesthood (Latter Day Saints)
In the Latter Day Saint movement, priesthood is the power and authority of God given to man, including the authority to perform ordinances and to act as a leader in the church. A group of priesthood holders is referred to as a quorum.
1898 depiction of the Restoration of the Aaronic Priesthood.
Latter Day Saint movement
The Latter Day Saint movement is the collection of independent church groups that trace their origins to a Christian Restorationist movement founded by Joseph Smith in the late 1820s.
The Book of Mormon