To care for medicinally or surgically; to manage in the use of remedies or appliances; as, to treat a disease, a wound, or a patient.
subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition; "process cheese"; "process hair"; "treat the water so it can be drunk"; "treat the lawn with chemicals" ; "treat an oil spill"
To care for a patient with a disease by using medicine, surgery, or other approaches.