Source : Webster's Revised Unabridged Dictionary (1913)

Time \Time\, v. t. [imp. & p. p. {Timed}; p. pr. & vb. n.
   {Timing}.]
   1. To appoint the time for; to bring, begin, or perform at
      the proper season or time; as, he timed his appearance
      rightly.

            There is no greater wisdom than well to time the
            beginnings and onsets of things.      --Bacon.

   2. To regulate as to time; to accompany, or agree with, in
      time of movement.

            Who overlooked the oars, and timed the stroke.
                                                  --Addison.

            He was a thing of blood, whose every motion Was
            timed with dying cries.               --Shak.

   3. To ascertain or record the time, duration, or rate of; as,
      to time the speed of horses, or hours for workmen.

   4. To measure, as in music or harmony.

Source : WordNet®

timing
     n : the time when something happens