(1):
(a.) Having three teeth or prongs; tridentate.
(2):
(n.) A three-pronged fish spear.
(3):
(n.) A kind of scepter or spear with three prongs, - the common attribute of Neptune.
(4):
(n.) A curve of third order, having three infinite branches in one direction and a fourth infinite branch in the opposite direction.
(5):
(n.) A three-pronged spear or goad, used for urging horses; also, the weapon used by one class of gladiators.