Home › Words › F › forebuildingforebuildingforebuilding means an outer defense work of a castle used to protect the entrance to the keep.Among words judged in Lexicurio's Arena, forebuilding ranks #16,008 of 42,747 for Qualifying.EtymologyFrom fore- + building.nounAn outer defense work of a castle used to protect the entrance to the keep.Any projecting construction; forepart.Definitions & examples from Wiktionary (CC BY-SA 3.0).