English > arachnoid: 3 senses > noun 2, animal| Meaning | air-breathing arthropods characterized by simple eyes and four pairs of legs. |
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| Synonym | arachnid |
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| Member of | Arachnida, class Arachnida | A large class of arthropods including spiders and ticks and scorpions and daddy longlegs |
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| Narrower | acarine | mite or tick |
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| false scorpion, pseudoscorpion | small nonvenomous arachnid resembling a tailless scorpion |
| harvestman, daddy longlegs, 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 stinger |
| spider | predatory arachnid with eight legs, two poison fangs, two feelers, and usually two silk-spinning organs at the back end of the body |
| whip-scorpion, whip scorpion | nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger |
| Broader | arthropod | invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin |
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| Spanish | arácnido, arácnidos |
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| Catalan | aràcnid |
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| Adjectives | arachnoid | relating to or resembling a member of the class Arachnida |
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