What does Raid mean in World of Warcraft? Raid WoW Term Definition

The World of Warcraft term Raid is used to describe a group of more than 5 people, and as many as 40. A party leader can convert their group to a raid in the raid panel. A raid is also an instance designed for 10, 20, 25, or 40 person groups to complete. The raid WoW term is known by virtually all WoW players.