Meaning of “trident” in the English Dictionary

"trident" in British English

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tridentnoun [ C ]

uk /ˈtraɪ.dənt/ us /ˈtraɪ.dənt/

Tridentnoun [ C or U ]

uk /ˈtraɪ.dənt/ us /ˈtraɪ.dənt/

a type of ballistic missile (= explosive weapon) that is sent from under the sea:

a Trident missile/submarine
The navy plans to move its Tridents.

(Definition of “trident” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)