Fontanel

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Alternative spelling of fontanelle. alt-of, alternative
2
any membranous gap between the bones of the cranium in an infant or fetus wordnet

Synonyms

aperture cavity chasm check clearing cleft

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.