Trident /(trī"dent)/

Tri·dent

Trident

n.
  1. A kind of scepter or spear with three prongs, -- the common attribute of Neptune. (Class Myth.)
  2. A three-pronged spear or goad, used for urging horses; also, the weapon used by one class of gladiators. (Rom. Antiq.)
  3. A three-pronged fish spear.
  4. A curve of third order, having three infinite branches in one direction and a fourth infinite branch in the opposite direction. (Geom.)

Phrases & Compounds
Trident bat
an Asiatic rhinolophid bat (Triaenops Persicus), having the nose membrane in the shape of a trident.

Trident

a.
  1. Having three teeth or prongs; tridentate.