A home defeat refers to a loss that occurs when a team is playing at their own stadium or arena. It means that they were not able to win the game while being on their home turf, and instead suffered a loss in front of their fans and supporters.
A second home defeat just doesn't even bear thinking about.... (justarsenal.com)
The worst home defeat since 2009 and no one at the game. (justarsenal.com)
Thankfully there have been plenty of distractions «off the pitch» to keep our minds from thinking about the possibility of a second home defeat. (kopleft.com)