Meanings
- geographyAn oceanic trench in the southwestern Pacific Ocean, the second deepest trench in the world.
Cite this entry
Tonga Trench. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Tonga%20Trench
“Tonga Trench.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Tonga%20Trench. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Tonga Trench,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Tonga%20Trench.
Source: Tonga Trench on Wiktionary, CC BY-SA 4.0.