Definition of: trident

(trīd′nt) noun
1. A three–pronged implement or weapon, the emblem of Neptune (Poseidon); hence, dominion over the sea.
2. The three–pronged spear with which the Roman retiarius was armed.
3. A fishspear with three prongs.
4. Geom. A plane cubic curve somewhat resembling a three–pronged spear.
—adjective Having three teeth or prongs: also tri·den·tate (trī·den′tāt), tri·den′tat·ed. [<L tridens, -dentis <tri- three + dens, dentis a tooth]