Cupping

1. The operation of drawing blood to or from the surface of the person by forming a partial vacuum over the spot. Also, sometimes, a similar operation for drawing pus from an abscess.
   
Cupping glass ,
a glass cup in which a partial vacuum is produced by heat, in the process of cupping.
Dry cupping ,
the application of a cupping instrument without scarification, to draw blood to the surface, produce counter irritation, etc.
Wet cupping ,
the operation of drawing blood by the application of a cupping instrument after scarification.