Poseidon's Spear is the TRIDENT wielded by the Greek god Poseidon. It is a seven-letter word, spelled 'TRIDENT'. The TRIDENT is a three-pronged spear that was used by Poseidon to control the seas and create storms. It is also a symbol of his power and authority. In mythology, Poseidon used the TRIDENT to stir up the sea and cause earthquakes. He also used it to create new islands and to shatter rocks. The TRIDENT is a powerful weapon and a symbol of Poseidon's strength and power.