What it means to tesser?

"To tesser" isn't a common verb in standard English. It's likely you're thinking of "tessera," which has several meanings depending on context:

1. In art and architecture:

* Tessera: A small piece of material, typically glass, stone, or ceramic, used to create a mosaic.

* Tessellate: To form or create a mosaic by fitting together small pieces (tesserae).

2. In mathematics:

* Tesseract: A four-dimensional hypercube. It's a mathematical concept and can't be directly observed in our three-dimensional world.

3. In science fiction:

* Tesseract: A fictional object from the Marvel universe that allows for interstellar travel.

4. In other contexts:

* Tessera: A type of playing piece used in some board games.

* Tessera: A term used in some ancient Roman contexts, such as a small token used for voting or in religious rituals.

If you can provide more context about where you encountered the term "tesser," I can give you a more precise explanation.