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FINNISH · A WORD WITH POSSIBILITIES

ontelo.

cavity, hollow

6 characters3 syllables approx.Suomi language

Meaning & usage

noun/ˈontelo/[ˈo̞n̪t̪e̞lo̞]

  1. cavity, hollow

  2. sinus (pouch or cavity in a bone or other tissue)

  3. socket (hollow in a bone)

  4. coelenteron (body cavity of a coelenterate)

Where this word comes from

onsi (“hollow, cavity”) (archaic) + -lo

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.