Arachnoid

//əˈɹæk.nɔɪd// adj, noun

Definitions

Adjective
  1. 1
    Relating to or resembling spider webs; covered with or composed of soft loose hairs or fibers. not-comparable
  2. 2
    Relating to or resembling spiders. not-comparable, relational
  3. 3
    Relating to the arachnoid mater. not-comparable
Adjective
  1. 1
    relating to or resembling a member of the class Arachnida wordnet
Noun
  1. 1
    Ellipsis of arachnoid mater. abbreviation, alt-of, ellipsis
  2. 2
    An arachnid.
  3. 3
    air-breathing arthropods characterized by simple eyes and four pairs of legs wordnet
  4. 4
    A round network of fractures in the crust of Venus.
  5. 5
    the middle of the 3 meninges wordnet

Etymology

Etymology 1

Mid 18th century borrowing from New Latin arachnoīdēs, from Ancient Greek ᾰ̓ρᾰχνοειδής (ărăkhnoeidḗs, “like a cobweb”), from ᾰ̓ρᾰ́χνη (ărắkhnē, “spider web”) + -ο- (-o-) + -ειδής (-eidḗs, “-oid, -like”). By surface analysis, arachn- + -oid.

Etymology 2

Mid 18th century borrowing from New Latin arachnoīdēs, from Ancient Greek ᾰ̓ρᾰχνοειδής (ărăkhnoeidḗs, “like a cobweb”), from ᾰ̓ρᾰ́χνη (ărắkhnē, “spider web”) + -ο- (-o-) + -ειδής (-eidḗs, “-oid, -like”). By surface analysis, arachn- + -oid.

Etymology 3

19th century from translingual Arachnida + -oid.

Etymology 4

19th century from translingual Arachnida + -oid.

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