subarachnoid space

1. 1.

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

   Broaderspace

   Part ofmeninx

Questions about subarachnoid space

What does subarachnoid space mean?

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

Is subarachnoid space a common word?

subarachnoid space is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.