Trident/ˈtraɪdnt/ Definition 1 of 2Pro Tip 1/3Mythological Icon Referenced in myths often to signify strength or control over the sea. In myths, heroes sometimes seek a trident to defeat sea monsters. Pro Tip 2/3Symbol of Power Used metaphorically to represent power or authority in various contexts. The CEO's new policy was described as his trident. Pro Tip 3/3Historical Weapon Originally used in fishing, also a weapon in historical combat. The ancient gladiator entered the arena holding a trident.