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  • trident
    trident
    noun
    a three-pronged instrument or weapon.
  • Trident
    Trident
    noun
    a type of US submarine-launched ballistic missile with independently targetable warheads
Synonyms

trident

American  
[trahyd-nt] / ˈtraɪd nt /

noun

  • tridents
    plural
  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. Military. Trident, a 34-foot (10-meter) submarine-launched U.S. ballistic missile with eight to ten warheads and a range of 6,500 miles (10,459 km).


adjective

  1. Also tridental having three prongs or tines.

trident 1 British  
/ ˈtraɪdənt /

noun

  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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. having three prongs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Trident 2 British  
/ ˈtraɪdənt /

noun

  1. a type of US submarine-launched ballistic missile with independently targetable warheads

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of trident

First recorded in 1580–90; from Latin trident- (stem of tridēns ) “having three teeth”; see tri-, dent 2


Explanation

If you’re the ancient Greek god of the sea, you’re probably already familiar with a trident, a three-pronged spear you can use to stab things. The trident, which is a spear with three points, or prongs, is often associated with the Greek god Poseidon, who used his trident to cause earthquakes and create sources of water. Mere mortals, however, are more likely to use a trident for spear fishing, or long ago, for military combat. Remember not to confuse a trident with a pitchfork, which is used mainly for lifting and tossing things.

Keep Reading on Vocabulary.com

Vocabulary lists containing trident

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Some fought with only a trident; some fought mounted on horseback; some on chariot; others on foot with helmet and short sword; some with two daggers; still others exclusively fought wild beasts.

From The Wall Street Journal ● Apr. 3, 2026

The design will feature three masts described as "the trident", which the architects say will be 200 metres high and visible from 25 miles away.

From BBC ● Mar. 11, 2025

Tiffany & Co.’s new collection by Pharrell Williams, dubbed Tiffany Titan, takes inspiration from mythology, channeling the spike of Poseidon’s trident as a symbol of lifeforce, rebellious power and punk energy.

From Los Angeles Times ● May 30, 2024

Raley hit a 432-foot blast off Royals starter Brady Singer in the second inning, and then promptly broke the team trident while celebrating in the dugout.

From Seattle Times ● May 13, 2024

The merman held his trident in his wooden fist, the mermaid looked into the distance out of pale green eyes, dreaming of the waters of the open sea.

From "The Thief Lord" by Cornelia Funke

Deterra has a royalty over the Thacker Pass lithium project in Nevada following its 2024 acquisition of Trident Royalties.

From The Wall Street Journal ● Apr. 9, 2026

Then the engineers of Trident, near Kharkiv, moving to another scale and paving the way for decisive technological breakthroughs.

From The Wall Street Journal ● Mar. 18, 2026

The net closed in on the Jabber Zeus crew, and an FBI-led operation called Trident Beach saw arrests in Ukraine and the UK.

From BBC ● Nov. 10, 2025

In September, the United States carried out tests of its nuclear-capable Trident missiles.

From Barron's ● Oct. 30, 2025

It had been near the Trident that she'd left Nymeria.

From "A Clash of Kings" by George R.R. Martin

Fair enough, until I look around the restaurant and notice how many visual distractions there are, including all shapes and sizes of tridents.

From Washington Post ● Feb. 17, 2023

Worship in a Hindu temple includes bathing these deities in milk, decorating them with colorful clothes, flowers, perfumes such as sandalwood, jewelry, and even weapons such as swords, clubs and tridents.

From Seattle Times ● Jan. 16, 2023

Videos show participants dancing and chanting religious slogans, with many holding swords and tridents.

From BBC ● Apr. 18, 2022

At his previous job with Napoli, Sarri turned a trio of previously unspectacular forwards into one of the best attacking tridents in the world.

From Slate ● Jan. 2, 2019

Of course it’s Finnick, who seems to have spent his childhood doing nothing but wielding tridents and manipulating ropes into fancy knots for nets, I guess.

From "Catching Fire" by Suzanne Collins

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