trident

[trahyd-nt]
noun
1.
a three-pronged instrument or weapon.
2.
Roman History. a three-pronged spear used by a retiarius in gladiatorial combats.
3.
Classical Mythology. the three-pronged spear forming a characteristic attribute of the sea god Poseidon, or Neptune.
4.
a fish spear having three prongs.
5.
(initial capital letter) Military. a 34-foot (10-meter) submarine-launched U.S. ballistic missile with eight to ten warheads and a range of 6500 miles (10,459 km).
adjective
6.
Also, tridental [trahy-den-tl] . having three prongs or tines.

Origin:
1580–90; < Latin trident- (stem of tridēns) having three teeth. See tri-, dent2

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Collins
World English Dictionary
trident (ˈtraɪdənt)
 
n
1.  a three-pronged spear, originally from the East
2.  (in Greek and Roman mythology) the three-pronged spear that the sea god Poseidon (Neptune) is represented as carrying
3.  a three-pronged instrument, weapon, or symbol
 
adj
4.  having three prongs
 
[C16: from Latin tridēns three-pronged, from tri- + dēns tooth]

Trident (ˈtraɪdənt)
 
n
a type of US submarine-launched ballistic missile with independently targetable warheads

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

trident
c.1450, from L. tridentem (nom. tridens; gen. tridentis) "three-pronged, three-toothed," from tri- "three" + dens (gen. dentis) "tooth" (see tooth). As a type of U.S. nuclear-powered submarine, recorded from 1972.
Online Etymology Dictionary, © 2010 Douglas Harper
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FOLDOC
Computing Dictionary

Trident definition

company
A video card manufacturer.
[More info?]
(1997-07-16)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Trident makes components for satellites that are in demand as surveillance increases.
Whenever he gets angry at us for not sacrificing to him, he jabs his trident into the ground and twists it, causing quakes.
My only experience of spearing fish was sniggling eels with a small trident.
Trident uses the latest in high-tech techniques and equipment and highly qualified personnel.
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