Tonsure
Tonsure , noun
[French, from Latin tonsura a shearing, clipping, from tondere, tonsum, to shear, shave; compare Greek {not transcribed} to gnaw; perhaps akin to Greek {not transcribed} to cut, and English tome.]
1.
The act of clipping the hair, or of shaving the crown of the head; also, the state of being shorn.
2.
(a) (Roman Catholic Church) The first ceremony used for devoting a person to the service of God and the church; the first degree of the clericate, given by a bishop, abbot, or cardinal priest, consisting in cutting off the hair from a circular space at the back of the head, with prayers and benedictions; hence, entrance or admission into minor orders.
(b)
(Roman Catholic Church) The shaven corona, or crown, which priests wear as a mark of their order and of their rank.