Source : Webster's Revised Unabridged Dictionary (1913)

Head \Head\, v. t. [imp. & p. p. {Headed}; p. pr. & vb. n.
   {Heading}.]
   1. To be at the head of; to put one's self at the head of; to
      lead; to direct; to act as leader to; as, to head an army,
      an expedition, or a riot. --Dryden.

   2. To form a head to; to fit or furnish with a head; as, to
      head a nail. --Spenser.

   3. To behead; to decapitate. [Obs.] --Shak.

   4. To cut off the top of; to lop off; as, to head trees.

   5. To go in front of; to get in the front of, so as to hinder
      or stop; to oppose; hence, to check or restrain; as, to
      head a drove of cattle; to head a person; the wind heads a
      ship.

   6. To set on the head; as, to head a cask.

   {To head off}, to intercept; to get before; as, an officer
      heads off a thief who is escaping.

   {To head up}, to close, as a cask or barrel, by fitting a
      head to.

Heading \Head"ing\, n.
   1. The act or state of one who, or that which, heads;
      formation of a head.

   2. That which stands at the head; title; as, the heading of a
      paper.

   3. Material for the heads of casks, barrels, etc.

   4. (Mining.) A gallery, drift, or adit in a mine; also, the
      end of a drift or gallery; the vein above a drift.

   5. (sewing) The extension of a line ruffling above the line
      of stitch.

   6. (Masonry) That end of a stone or brick which is presented
      outward. --Knight.

   {Heading course} (Arch.), a course consisting only of
      headers. See {Header}, n. 3
      (a) .

   {Heading joint}.
      (a) (Carp.) A joint, as of two or more boards, etc., at
          right angles to the grain of the wood.
      (b) (Masonry) A joint between two roussoirs in the same
          course.

Source : WordNet®

heading
     n 1: a line of text serving to indicate what the passage below it
          is about; "the heading seemed to have little to do with
          the text" [syn: {header}, {head}]
     2: the direction or path along which something moves or along
        which it lies [syn: {bearing}, {aim}]
     3: a horizontal (or nearly horizontal) passageway in a mine;
        "they dug a drift parallel with the vein" [syn: {drift}, {gallery}]