DICT.TW Dictionary Taiwan

 tri·dent /ˈtraɪdṇt/
 三叉戟,三叉曲線,三叉魚叉(a.)三叉的

 Tri·dent n.
 1. Class Myth. A kind of scepter or spear with three prongs, -- the common attribute of Neptune.
 2. Rom. Antiq. A three-pronged spear or goad, used for urging horses; also, the weapon used by one class of gladiators.
 3. A three-pronged fish spear.
 4. Geom. A curve of third order, having three infinite branches in one direction and a fourth infinite branch in the opposite direction.
 Trident bat Zool., an Asiatic rhinolophid bat (Triaenops Persicus), having the nose membrane in the shape of a trident.

 Tri·dent, a.  Having three teeth or prongs; tridentate.
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 trident
      n : a spear with three prongs