Priesthood blessing
A priesthood blessing in The Church of Jesus Christ of Latter-day Saints is a "prayer for healing, comfort or counsel given by a Melchizedek Priesthood
Melchizedek priesthood
The Melchizedek priesthood is the greater of the two orders of priesthood recognized in Mormonism. The others are the Aaronic priesthood and the rarely recognized Patriarchal priesthood...

 holder, who lays his hands on the head of the person receiving the blessing." Priesthood blessings are considered to be non-saving ordinances by Latter-day Saints.
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