Source : Webster's Revised Unabridged Dictionary (1913)

Practice \Prac"tice\, n. [OE. praktike, practique, F. pratique,
   formerly also, practique, LL. practica, fr. Gr. ?, fr. ?
   practical. See {Practical}, and cf. {Pratique}, {Pretty}.]
   1. Frequently repeated or customary action; habitual
      performance; a succession of acts of a similar kind;
      usage; habit; custom; as, the practice of rising early;
      the practice of making regular entries of accounts; the
      practice of daily exercise.

Practice \Prac"tice\, v. t. [imp. & p. p. {Practiced}; p. pr. &
   vb. n. {Practicing}.] [Often written practise, practised,
   practising.]
   1. To do or perform frequently, customarily, or habitually;
      to make a practice of; as, to practice gaming. ``Incline
      not my heart . . . practice wicked works.''

Practice \Prac"tice\, v. i. [Often written practise.]
   1. To perform certain acts frequently or customarily, either
      for instruction, profit, or amusement; as, to practice
      with the broadsword or with the rifle; to practice on the
      piano.

Source : WordNet®

practice
     n 1: a customary way of operation or behavior; "it is their
          practice to give annual raises"; "they changed their
          dietary pattern" [syn: {pattern}]
     2: systematic training by multiple repetitions; "practice makes
        perfect" [syn: {exercise}, {drill}, {practice session}, {recitation}]
     3: translating an idea into action; "a hard theory to put into
        practice"; "differences between theory and praxis of
        communism" [syn: {praxis}]
     4: the exercise of a profession; "the practice of the law"; "I
        took over his practice when he retired"
     5: knowledge of how something is usually done; "it is not the
        local practice to wear shorts to dinner"

practice
     v 1: learn by repetition; "We drilled French verbs every day";
          "Pianists practice scales" [syn: {drill}, {exercise}, {practise}]
     2: avail oneself to; "apply a principle"; "practice a
        religion"; "use care when going down the stairs"; "use
        your common sense"; "practice non-violent resistance"
        [syn: {apply}, {use}]
     3: carry out or practice; as of jobs and professions; "practice
        law" [syn: {practise}, {exercise}, {do}]
     4: engage in a rehearsal (of) [syn: {rehearse}, {practise}]