Ō'ri-en-tā'tion, n.

noun

n. 1. The process of determining the points of the compass, or the east point, in taking bearings.

Sense 2. The tendency of a revolving body, when suspended in a certain way, to bring the axis of rotation into parallelism with the earth’s axis.

Sense 3. An aspect or fronting to the east; the placing of a church so as to have its chancel point to the east.