Ontario Lacus

proper noun

A large hydrocarbon lake on Titan, the largest moon of the planet Saturn.

OriginLatin lacus →
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Meanings

proper noun
  1. A large hydrocarbon lake on Titan, the largest moon of the planet Saturn.

Origin

  1. Latinlacus“lake”
  2. EnglishOntario Lacus

From Ontario + Latin lacus. From its resemblance to Lake Ontario and Latin lacus (“lake”).

More words from Latin

Full word history & related roots →
Cite this entry
APA

Ontario Lacus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Ontario%20Lacus

MLA

“Ontario Lacus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Ontario%20Lacus. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Ontario Lacus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Ontario%20Lacus.

Source: Ontario Lacus on Wiktionary, CC BY-SA 4.0.