n.1. a. The act, manner, or method of handling or dealing with someone or something: "the right to equal treatment in the criminal and juvenile justice system" (Susan C. Ross).
b. Informal The usual methods of dealing with a given situation: gave the opposing team the treatment.
2. a. The use of an agent, procedure, or regimen, such as a drug, surgery, or exercise, in an attempt to cure or mitigate a disease, condition, or injury.
b. The agent, procedure, or regimen so used.
3. a. A written sketch outlining the plot, characters, and action for a screenplay but not including certain elements of a finished screenplay, such as camera directions and dialogue.
b. An adaptation of a novel or other literary work that serves as the basis for a screenplay.