What is a Merkaba? Activating your Merkaba can happen in a variety of ways. But let’s start with what Merkaba means. The word Merkaba is composed of three words: Mer, which means light Ka, which means spirit Ba, which means body When you put these words together, you get a body surrounded by light. The Merkaba symbol is a shape of a star tetrahedron. It is known to be a divine vehicle made up entirely of light. The Merkaba is designed to transport the spirit and body to higher realms. The History Behind It Ancient Jewish texts reveal that the word Merkaba is Hebrew for the word chariot.