Phrase guide

sigmoid sinus

noun · 2 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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1

noun

Meaning 1

A sinus on each side of the brain that is a continuation of the transverse sinus on the same side, follows an S-shaped course to the jugular foramen, and empties into the internal jugular vein.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an S-shaped dural sinus on the temporal and occipital bones

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sinus sigmoideus

Antonyms: none provided

Broader terms: venous sinus, sinus

History

Etymology

No etymology was provided for this word.

Across languages

Translations

1 source translations are retained for this English entry.

  • Chinese Mandarin: 乙狀竇 /乙状窦 (yǐzhuàng dòu) — dural venous sinus