Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun arachnoid

2 senses of arachnoid

Sense 1
arachnoid, arachnoid membrane -- (the middle of the 3 meninges)
       => meninx, meninges -- (a membrane (one of 3) that envelops the brain and spinal cord)

Sense 2
arachnid, arachnoid -- (air-breathing arthropods characterized by simple eyes and four pairs of legs)
       => arthropod -- (invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin)

Similarity of adj arachnoid

1 sense of arachnoid

Sense 1
arachnoid, arachnidian, spidery, spiderlike, spiderly -- (relating to or resembling a member of the class Arachnida)