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arachnoid

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arachnoid


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Arachnoid  \A*rach"noid\,  n. 
  1.  (Anat.)  The  arachnoid  membrane. 
 
  2.  (Zo["o]l.)  One  of  the  Arachnoidea. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Arachnoid  \A*rach"noid\,  a.  [Gr.  ?  like  a  cobweb;  ?  spider, 
  spider's  web  +  ?  form.] 
  1.  Resembling  a  spider's  web;  cobweblike 
 
  2.  (Anat.)  Pertaining  to  a  thin  membrane  of  the  brain  and 
  spinal  cord,  between  the  dura  mater  and  pia  mater. 
 
  3.  (Bot.)  Covered  with  or  composed  of  soft,  loose  hairs  or 
  fibers,  so  as  to  resemble  a  cobweb;  cobwebby. 
 
  From  WordNet  r  1.6  [wn]: 
 
  arachnoid 
  adj  :  (zoology)  relating  to  or  resembling  a  member  of  the  class 
  Arachnida  [syn:  {arachnidian},  {spidery}] 
  n  1:  the  middle  of  the  3  meninges  [syn:  {arachnoid  membrane}] 
  2:  air-breathing  arthropods  characterized  by  simple  eyes  and 
  four  pairs  of  legs  [syn:  {arachnid}] 




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