what is com.apple.coresymbolicationd in caches? Doing some cleanup on my Macbook Air with a 128GB SSD looking for big files to reduce the space used.  

I found something named com.apple.coresymbolicationd that is 1GB in the /System/Library/Caches folder I don't recall seeing it before.  Running Mountain Lion.

What is this and is there a way to clear it?

By the way I am using DaisyDisk to show the files and sizes.
Symbolication means replacing memory addresses with symbols (like functions or variables) or for example adding function names and line number information. It is used for debugging and analyzing crash reports.

/System/Library/Caches/com.apple.coresymbolicationd/data was also about 600 MB on my account, so I guess it's normal. Deleting files in cache folders is generally safe, and /System/Library/Caches/ is even excluded from Time Machine backups.