Index of English words, starting with "or"

(1) - Orientation (n.) Fig.: A return to first principles; an orderly arrangement.
(2) - Orientation (n.) 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.
(3) - Orientation (n.) 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.
(4) - Orientation (n.) The act or process of orientating; determination of the points of the compass, or the east point, in taking bearings.

(1) - Orifice (n.) A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound.

(1) - Oriflamme (n.) A standard or ensign, in battle.
(2) - Oriflamme (n.) The ancient royal standard of France.