What is scarab?

Some articles on scarab:

List Of Batman: The Brave And The Bold Characters - Villains - Jarvis Kord
... Kord became the Blue Beetle, he was unable to get the Scarab to work for him ... Ted later asked Jarvis to unlock the scarab's secrets, but Jarvis decided to use the scarab to take over the world using robots based on scarab technology ... Blue Beetle manage to stop Jarvis, and sends the Scarab somewhere else, which claimed his life in the process ...