arachnoid has definitions from the fields of zoology,anatomy
1
[ noun ] (anatomy,zoology) the middle of the 3 meninges

Related terms

meninx leptomeninges

2
[ adjective ] (zoology) relating to or resembling a member of the class Arachnida

Related terms

zoology Arachnida Arachnida

3
[ noun ] (zoology) air-breathing arthropods characterized by simple eyes and four pairs of legs

Synonyms

arachnid

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