ARACHNOID
Dictionary entry overview: What does arachnoid mean?
• ARACHNOID (noun)
The noun ARACHNOID has 2 senses:
1. the middle of the 3 meninges
2. air-breathing arthropods characterized by simple eyes and four pairs of legs
Familiarity information: ARACHNOID used as a noun is rare.
• ARACHNOID (adjective)
The adjective ARACHNOID has 1 sense:
1. relating to or resembling a member of the class Arachnida
Familiarity information: ARACHNOID used as an adjective is very rare.
Dictionary entry details
• ARACHNOID (noun)
Meaning:
The middle of the 3 meninges
Classified under:
Nouns denoting body parts
Synonyms:
arachnoid; arachnoid membrane
Hypernyms ("arachnoid" is a kind of...):
meninges; meninx (a membrane (one of 3) that envelops the brain and spinal cord)
Holonyms ("arachnoid" is a part of...):
leptomeninges (the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers)
Meaning:
Air-breathing arthropods characterized by simple eyes and four pairs of legs
Classified under:
Nouns denoting animals
Synonyms:
arachnid; arachnoid
Hypernyms ("arachnoid" is a kind of...):
arthropod (invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin)
Hyponyms (each of the following is a kind of "arachnoid"):
daddy longlegs; harvestman; Phalangium opilio (spiderlike arachnid with a small rounded body and very long thin legs)
scorpion (arachnid of warm dry regions having a long segmented tail ending in a venomous sting)
false scorpion; pseudoscorpion (small nonvenomous arachnid resembling a tailless scorpion)
whip scorpion; whip-scorpion (nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger)
spider (predatory arachnid that usually has silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey)
acarine (mite or tick)
Holonyms ("arachnoid" is a member of...):
Arachnida; class Arachnida (a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings)
• ARACHNOID (adjective)
Meaning:
Relating to or resembling a member of the class Arachnida
Classified under:
Relational adjectives (pertainyms)
Synonyms:
arachnidian; arachnoid; spiderlike; spiderly; spidery
Domain category:
zoological science; zoology (the branch of biology that studies animals)
Pertainym:
class Arachnida (a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings)