ETYM Old Eng. praktike, practique, French pratique, formerly also, practique, Late Lat. practica, from Greek, practical. Related to Practical, Pratique, Pretty.
Period of exercise to develop a skill; condition of having such a skill through exercise; application of a skill, etc. as opposed to theory; customary action or proceeding; procedure; professional business and clientele of a doctor, lawyer, etc. (as distinct from practice).
1. A customary way of operation or behavior; SYN. pattern.
2. Knowledge of how something is customarily done.
3. The exercise of a profession.
4. Translating an idea into action.
5. An activity dedicated to repetition and improvement of a skill.

ETYM Often written practise.
(Alternate spelling: practise).
1. To repeat with the intent of improving or perfecting.
2. To carry out or practice; as of jobs and professions; SYN. practise, exercise, carry out, do.
3. To participate in or follow the creed of, especially said of religions; SYN. apply, use.