The trident, also known as trishula (in Hinduism), is a divine instrument usually connected to Poseidon the god of war..
A trident /tradnt/ is a three-pronged spear. The trident is the weapon of Poseidon, or Neptune, the God of the Sea in classical mythology. In Hinduism, it is the weapon of Shiva, known as trishula (Sanskrit for "triple-spear"). 
