°To perform a work or labor; to exert power or strength, physical or mechanical; to act.
°To produce an appropriate physicaleffect; to issue in the result designed by nature; especially (Med.), to take appropriate effect on the human system.
°To perform a work or labor; to exert power or strength, physical or mechanical; to act.
°To produce an appropriate physicaleffect; to issue in the result designed by nature; especially (Med.), to take appropriate effect on the human system.