Online Google Dictionary

arachnoid 中文解釋 wordnet sense Collocation Usage Collins Definition
Adjective
/əˈrakˌnoid/,
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Like a spider or arachnid,
  1. Like a spider or arachnid

Noun
  1. A fine, delicate membrane, the middle one of the three membranes or meninges that surround the brain and spinal cord, situated between the dura mater and the pia mater

  1. the middle of the 3 meninges
  2. relating to or resembling a member of the class Arachnida
  3. arachnid: air-breathing arthropods characterized by simple eyes and four pairs of legs
  4. In astrogeology, an arachnoid is a large structure of unknown origin, and they have been found only on the surface of the planet Venus. Arachnoids get their name from their resemblance to spider webs. ...
  5. The arachnoid mater is one of the three meninges, the membranes that cover the brain and spinal cord. It is interposed between the two other meninges, the more superficial dura mater and the deeper pia mater, and is separated from the pia mater by the subarachnoid space.
  6. adjective, Greek arachne = spider, and eidos = shape or form, hence like a spiders web. This middle layer of the three meninges is spread web-like over the brain when the dura has been removed.
  7. a scientific term for something shaped like a spider, like the legend of the weaving contest.
  8. One of the three protective membranes surrounding the brain that collectively are called the meninges.
  9. The middle membrane covering the brain; its name comes from its weblike appearance.
  10. is from a Greek root, and means cob web like. The mater designation (meaning mother in Latin) is borrowed from the dura mater and pia mater, which were Latin translations of Arabic terms. ...
  11. Resembling a spider's web.