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Adjective: arachnoid  u'rak,noyd
  1. (zoology) relating to or resembling a member of the class Arachnida
    - arachnidian, spidery, spiderlike, spiderly
Noun: arachnoid  u'rak,noyd
  1. The middle of the 3 meninges
    - arachnoid membrane
     
  2. Air-breathing arthropods characterized by simple eyes and four pairs of legs
    - arachnid

Derived forms: arachnoids

Type of: arthropod, meninges, meninx

Part of: Arachnida, class Arachnida, leptomeninges

Encyclopedia: Arachnoid