Phrase guide

sylvian fissure

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A fissure in the brain which divides the frontal lobe and parietal lobe above from the temporal lobe below.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, neuroanatomy, neurology, neuroscience, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: lateral sulcus

Antonyms: none provided

2

noun

Meaning 2

Alternative letter-case form of sylvian fissure.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: fissure of Sylvius, lateral cerebral sulcus, sulcus lateralis cerebri

Antonyms: none provided

Broader terms: sulcus

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Esperanto: cerbaflanka sulko — fissure in the brain
  • Polish: bruzda boczna mózgu — fissure in the brain
  • Polish: szczelina boczna — fissure in the brain
  • Polish: szczelina Sylwiusza — fissure in the brain
  • Spanish: cisura lateral — fissure in the brain
  • Spanish: cisura de Silvio — fissure in the brain