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.

Headed \Head"ed\, a.
   1. Furnished with a head (commonly as denoting intellectual
      faculties); -- used in composition; as, clear-headed,
      long-headed, thick-headed; a many-headed monster.

   2. Formed into a head; as, a headed cabbage.

Source : WordNet®

headed
     adj 1: having a heading or course in a certain direction; "westward
            headed wagons"
     2: having a heading or caption; "a headed column"; "headed
        notepaper" [ant: {unheaded}]
     3: having a head or anything that serves as a head; often used
        in combination; "headed bolts"; "three-headed Cerberus";
        "a cool-headed fighter pilot" [ant: {headless}]
     4: of leafy vegetables; having formed into a head; "headed
        cabbages"