arachnoid

Science Dictionary
arachnoid   (ə-rāk'noid')  Pronunciation Key 
The delicate membrane that encloses the spinal cord and brain and lies between the pia mater and dura mater.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Explore Dictionary.com
Previous Definition: arachnidan
Next Definition: aragonite
Words Near: arachnoid
More from Thesaurus.com
Synonyms and Antonyms for arachnoid
More from Reference.com
Search for articles containing arachnoid
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature