subarachnoid

[ suhb-uh-rak-noid ]

adjectiveAnatomy.
  1. of, relating to, or situated below the arachnoid membrane.

Origin of subarachnoid

1
First recorded in 1830–40; sub- + arachnoid

Words Nearby subarachnoid

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use subarachnoid in a sentence