(v. i.) To perform a work or labor; to exert power or strengh,
physical or mechanical; to act.
(v. i.) To produce an appropriate physical effect; to issue in
the result designed by nature; especially (Med.), to take appropriate
effect on the human system.
(v. i.) To act or produce effect on the mind; to exert moral
power or influence.
(v. i.) To perform some manual act upon a human body in a
methodical manner, and usually with instruments, with a view to restore
soundness or health, as in amputation, lithotomy, etc.
(v. i.) To deal in stocks or any commodity with a view to
speculative profits.
(v. t.) To produce, as an effect; to cause.
(v. t.) To put into, or to continue in, operation or activity;
to work; as, to operate a machine.
