[ˈtrʌɪd(ə)nt], (Noun)

Definitions:
- a three-pronged spear, especially as an attribute of Poseidon (Neptune) or Britannia

- a US design of submarine-launched long-range ballistic missile


Phrases:

Origin:
late Middle English: from Latin trident-, from tri- ‘three’ + dens, dent- ‘tooth’