My DICtionary is bigger than your Dictionary,
heading noun 1 a title at the top of a page, letter, section of a report, etc. 2 a main division, eg in a speech. 3 mining a a horizontal tunnel in a mine; b the end of such a tunnel. 4 football the act of striking the ball with the head. 5 the angle between the course of an aircraft and a specified meridian, often due north. 6 the compass direction parallel to the keel of a vessel.
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