The Collaborative International Dictionary
Trident \Tri"dent\ (tr[imac]"dent), n. [L. tridens, -entis; tri- (see Tri-) + dens tooth: cf. F. trident. See Tooth.]
(Class Myth.) A kind of scepter or spear with three prongs, -- the common attribute of Neptune.
(Rom. Antiq.) A three-pronged spear or goad, used for urging horses; also, the weapon used by one class of gladiators.
A three-pronged fish spear.
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(Geom.) A curve of third order, having three infinite branches in one direction and a fourth infinite branch in the opposite direction.
Trident bat (Zo["o]l.), an Asiatic rhinolophid bat ( Tri[ae]nops Persicus), having the nose membrane in the shape of a trident.
Wiktionary
n. A species of bat in the family Hipposideridae.
Wikipedia
The trident bat or trident leaf-nosed bat (Asellia tridens) is a species of bat in the family Hipposideridae. It is found in Afghanistan, Algeria, Burkina Faso, Chad, Djibouti, Egypt, Eritrea, Ethiopia, Gambia, Iran, Israel, Libya, Mali, Mauritania, Morocco, Niger, Oman, Pakistan, Saudi Arabia, Senegal, Somalia, Sudan, Tunisia, Yemen, and possibly Tanzania. Its natural habitats are subtropical or tropical dry forests, dry savanna, subtropical or tropical dry shrubland, caves and hot deserts.