Fossa
Fossa noun - A concavity in a surface (especially an anatomical depression).
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Synonyms for Fossa
Lacuna and fossa are semantically related. In some cases you can use "Lacuna" instead a noun "Fossa".
Nearby Word: fosse
Lacuna
Lacuna noun - A falling short of an essential or desirable amount or number.
Cite this Source
Lacuna and Fossa. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fossa/lacuna
Fossa & Lacuna. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fossa/lacuna>.
Lacuna or Fossa. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fossa/lacuna.
Google Ngram Viewer shows how "fossa" and "lacuna" have occurred on timeline