D defs.my
Entry 4 senses Webster, 1913

Orientation

/ôrˌ-ē-ĕn-tāsh'-ən/ · O·ri·en·ta·tion · IPA /ˌɔɹiɛnˈteɪʃən/
01 n. The act or process of orientating; determination of the points of the compass, or the east point, in taking bearings.
  1. 1.
    The act or process of orientating; determination of the points of the compass, or the east point, in taking bearings.
  2. 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.
  3. 3.
    An aspect or fronting to the east; especially (Arch.), the placing of a church so that the chancel, containing the altar toward which the congregation fronts in worship, will be on the east end.(Arch.)
  4. 4.
    A return to first principles; an orderly arrangement.(Fig.)
    “The task of orientation undertaken in this chapter.” — L. F. Ward.