subarachnoid

From sub- +‎ arachnoid.

• IPA^(key): /ˌsʌb.əˈɹæk.nɔɪd/
• Rhymes: -æknɔɪd

subarachnoid (not comparable)

1. (anatomy, relational) Located or occurring below the arachnoid mater, often specifically between the arachnoid membrane and the pia mater.

   Synonym: subarachnoidal

   • 1988 May 19, Jack Clark, “Touch of Death”, in Chicago Reader‎, volume 17, number 31:

     After an internal examination he found that "the cause of death was craniocerebral injury with subarachnoid hemorrhage […] ."

• subarachnoid space

• subarachnoid space on Wikipedia.Wikipedia

• “subarachnoid”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “subarachnoid”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.