
1) Science fiction convention
Found on
https://www.crosswordclues.com/clue/relaxacon

A relaxacon (sometimes relaxicon) is a science fiction convention which has little programming, and is unlikely to have a dealer`s room, as the point of a relaxacon is the organizers can relax during the convention. It usually does not have a Guest of Honor, though often, especially when held in conjunction with a related convention, it may share....
Found on
http://en.wikipedia.org/wiki/Relaxacon
No exact match found.