trident

UK: 'trident', 'Trident': /ˈtraɪd^ənt/

US: /ˈtraɪdənt/

US: (trīd′nt)

WordReference Random House Learner's Dictionary of American English © 2025

tri•dent /ˈtraɪdənt/   n. [countable]

1. a three-pronged instrument or weapon.

WordReference Random House Unabridged Dictionary of American English © 2025

tri•dent  (trīd′nt), n. 

1. a three-pronged instrument or weapon.
2. [Rom. Hist.] a three-pronged spear used by a retiarius in gladiatorial combats.
3. [Class. Myth.] the three-pronged spear forming a characteristic attribute of the sea god Poseidon, or Neptune.
4. a fish spear having three prongs.
5. Military ([cap.] ) a 34-ft (10-m) submarine-launched U.S. ballistic missile with eight to ten warheads and a range of 6500 mi. (10,459 km).

adj. 

Also, tri•den•tal (trī den′tl). having three prongs or tines.
• Latin trident- (stem of tridēns) having three teeth. See tri-, dent²
• 1580–90

Collins Concise English Dictionary © HarperCollins Publishers::

trident / ˈtraɪd^ənt/ noun

1. a three-pronged spear, originally from the East

Etymology: 16th Century: from Latin tridēns three-pronged, from tri- + dēns tooth

Collins Concise English Dictionary © HarperCollins Publishers::

Trident / ˈtraɪd^ənt/ noun

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