- In medicine, a defined period or phase in the development, progress or extent of a disease or condition; the process of determining the period or phase of a disease or condition. In cancer, the stage is the degree to which the cancer has grown or spread. Generally, lower numbers and/or letters mean less extensive stages.
- (On a microscope) a raised and usually movable plate on which a slide or object is placed for examination.
- A raised floor or platform.