Source : Webster's Revised Unabridged Dictionary (1913)

Career \Ca*reer"\, n. [F. carri[`e]re race course, high road,
   street, fr. L. carrus wagon. See {Car}.]
   1. A race course: the ground run over.

            To go back again the same career.     --Sir P.
                                                  Sidney.

   2. A running; full speed; a rapid course.

            When a horse is running in his full career.
                                                  --Wilkins.

   3. General course of action or conduct in life, or in a
      particular part or calling in life, or in some special
      undertaking; usually applied to course or conduct which is
      of a public character; as, Washington's career as a
      soldier.

            An impartial view of his whole career. --Macaulay.

   4. (Falconry) The flight of a hawk.

Career \Ca*reer"\, v. i. [imp. & p. p. {Careered} 3; p. pr. &
   vb. n. {Careering}]
   To move or run rapidly.

         areering gayly over the curling waves.   --W. Irving.

Source : WordNet®

career
     n 1: the particular occupation for which you are trained [syn: {calling},
           {vocation}]
     2: the general progression of your working or professional
        life; "the general had had a distinguished career"; "he
        had a long career in the law" [syn: {life history}]
     v : move headlong at high speed; "The cars careered down the
         road"; "The mob careered through the streets"