What is "elevation of the host"

Elevation \El`e*va"tion\, n. [L. elevatio: cf. F.

1. The act of raising from a lower place, condition, or quality to a higher; -- said of material things, persons, the mind, the voice, etc.; as, the elevation of grain; elevation to a throne; elevation of mind, thoughts, or character.

2. Condition of being elevated; height; exaltation. ``Degrees of elevation above us.''
   --Locke.

   His style . . . wanted a little elevation.
   --Sir H. Wotton.

3. That which is raised up or elevated; an elevated place or station; as, an elevation of the ground; a hill.

4. (Astron.) The distance of a celestial object above the horizon, or the arc of a vertical circle intercepted between it and the horizon; altitude; as, the elevation of the pole, or of a star.

5. (Dialing) The angle which the style makes with the substylar line.

6. (Gunnery) The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line o? sight; -- distinguished from direction.

7. (Drawing) A geometrical projection of a building, or other object, on a plane perpendicular to the horizon; orthographic projection on a vertical plane; -- called by the ancients the orthography.

   Angle of elevation (Geodesy), the angle which an ascending line makes with a horizontal plane.

   Elevation of the host (R. C. Ch.), that part of the Mass in which the priest raises the host above his head for the people to adore.