practice

v. exercise, train, drill; repeat an activity several times in order to improve performance; observe, follow the customs (of religion, etc.); specialize in a profession, engage in a profession (medicine, law, etc.)

n. customary action, habit; drill, repetition of an activity for the sake of improving performance, training exercise

Most commonly, practice is a learning method, the act of rehearsing a behavior over and over, or engaging in an activity again and again, for the purpose of improving or mastering it, as in the phrase "practice makes perfect". Sports teams practice to prepare for actual games. Playing a musical instrument well takes a lot of practice.
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Practice /prac·tice/ the use of one's knowledge in a particular profession; the practice of medicine is the exercise of one's knowledge for [more]Practice - Community and Resources

Noun
1. a customary way of operation or behavior; "it is their practice to give annual raises"; "they changed their dietary pattern"
(synonym) pattern
(hypernym) activity
(hyponym) biologism
(derivation) apply, use
2. systematic training by multiple repetitions; "practice makes perfect"
(synonym) exercise, drill, practice session, recitation
(hypernym) training, preparation, grooming
(hyponym) fire drill
(derivation) rehearse, practise
3. translating an idea into action; "a hard theory to put into practice"; "differences between theory and praxis of communism"
(synonym) praxis
(hypernym) implementation, effectuation
4. the exercise of a profession; "the practice of the law"; "I took over his practice when he retired"
(hypernym) use, usage, utilization, utilisation, employment, exercise
(hyponym) consultancy
(derivation) practise, exercise, do
5. knowledge of how something is usually done; "it is not the local practice to wear shorts to dinner"
(hypernym) cognition, knowledge, noesis
(hyponym) custom, tradition
Verb
1. learn by repetition; "We drilled French verbs every day"; "Pianists practice scales"
(synonym) drill, exercise, practise
(hypernym) learn, study, read, take
(derivation) exercise, drill, practice session, recitation
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"
(synonym) apply, use
(hyponym) follow
(verb-group) use, utilize, utilise, apply, employ
3. carry out or practice; as of jobs and professions; "practice law"
(synonym) practise, exercise, do
(hyponym) shamanize, shamanise
(entail) work, do work
4. engage in a rehearsal (of)
(synonym) rehearse, practise
(hypernym) perform, execute, do
(hyponym) walk through
(derivation) exercise, drill, practice session, recitation
(classification) performing arts

(n.)
A easy and concise method of applying the rules of arithmetic to questions which occur in trade and business.
  

(n.)
Actual performance; application of knowledge; -- opposed to theory.
  

(n.)
Application of science to the wants of men; the exercise of any profession; professional business; as, the practice of medicine or law; a large or lucrative practice.
  

(n.)
Customary or constant use; state of being used.
  

(n.)
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.
  

(n.)
Skill or dexterity acquired by use; expertness.
  

(n.)
Skillful or artful management; dexterity in contrivance or the use of means; art; stratagem; artifice; plot; -- usually in a bad sense.
  

(n.)
Systematic exercise for instruction or discipline; as, the troops are called out for practice; she neglected practice in music.
  

(n.)
The form, manner, and order of conducting and carrying on suits and prosecutions through their various stages, according to the principles of law and the rules laid down by the courts.
  

(v. i.)
To apply theoretical science or knowledge, esp. by way of experiment; to exercise or pursue an employment or profession, esp. that of medicine or of law.
  

(v. i.)
To learn by practice; to form a habit.
  

(v. i.)
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.
  

(v. i.)
To try artifices or stratagems.
  

(v. t.)
To do or perform frequently, customarily, or habitually; to make a practice of; as, to practice gaming.
  

(v. t.)
To exercise one's self in, for instruction or improvement, or to acquire discipline or dexterity; as, to practice gunnery; to practice music.
  

(v. t.)
To exercise, or follow, as a profession, trade, art, etc., as, to practice law or medicine.
  

(v. t.)
To make use of; to employ.
  

(v. t.)
To put into practice; to carry out; to act upon; to commit; to execute; to do.
  

(v. t.)
To teach or accustom by practice; to train.