"Cellys" is not a widely recognized term. It could be a misspelling of "cell" or "cells" or possibly a brand name.
- Cells: The basic unit of life, responsible for carrying out all the functions necessary for life.
- Cellys: This could be a brand name for a product, service, or company. To understand what it is, more context is needed.
If you can provide more information about the context in which you encountered "Cellys," I can help you find a more specific answer.
