1. To do physical exercise; SYN. work out.
2. To give a work-out to; SYN. work.
3. To avail oneself of a right or power.

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.

Alternate (chiefly British) spelling for practice.