(v.t.) To do or perform frequently, customarily or habitually; to make a practice of; as, to practice gaming.
(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.) Customary or constant use; state of being used.