Phrase guide

subarachnoid space

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

The space between the arachnoid mater and the pia mater that surrounds the brain and spinal cord, through which the cerebrospinal fluid circulates and major blood vessels pass, and across which extend delicate trabeculae of connective tissue.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospinal fluid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: space

History

Etymology

No etymology was provided for this word.

Across languages

Translations

7 source translations are retained for this English entry.

  • Catalan: espai subaracnoïdal — space between the arachnoid mater and the pia mater
  • Chinese Mandarin: 蛛網膜下腔 /蛛网膜下腔 (zhūwǎngmóxià qiāng) — space between the arachnoid mater and the pia mater
  • Finnish: lukinkalvonalaistila — space between the arachnoid mater and the pia mater
  • German: Subarachnoidalraum — space between the arachnoid mater and the pia mater
  • Polish: przestrzeń podpajęczynówkowa — space between the arachnoid mater and the pia mater
  • Spanish: espacio subaracnoideo — space between the arachnoid mater and the pia mater
  • Swedish: subaraknoidalrum — space between the arachnoid mater and the pia mater