What does the word Gittervorsp mean in German?

"Gittervorsp" is not a valid German word. It seems like a possible misspelling or a combination of words that don't exist together.

Here's why:

* "Gitter" means "grid" or "lattice" in German.

* "Vorsp" is not a recognized German word.

It's possible that the word you are looking for is actually:

* "Gittervorsprung" which means "grid protrusion" or "lattice overhang"

* "Gittervorhang" which means "grid curtain" or "lattice curtain"

Please double-check the spelling or provide more context to help me understand what you are looking for.