PRACTICE (3)

Prac″tice, v. i. [[Often written practise.]] 1. 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.
2. 2. To learn by practice; to form a habit.
They shall practice how to live secure. Milton. Practice first over yourself to reign. Waller. 3. 3. To try artifices or stratagems.
He will practice against thee by poison. Shak. 4. 4. 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.
little inclined to practice on others, and as little that others should practice on me. Sir W. Temple.