Dictionary
arachnid
noun arach·nid \ə-ˈrak-nəd, -ˌnid\
: a kind of animal that has eight legs and a body formed of two parts
Full Definition of ARACHNID
: any of a class (Arachnida) of arthropods comprising chiefly terrestrial invertebrates, including the spiders, scorpions, mites, and ticks, and having a segmented body divided into two regions of which the anterior bears four pairs of legs but no antennae
— arachnid adjective
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First Known Use of ARACHNID
1826
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