Simple Definition of arachnid
: 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
Examples of arachnid in a sentence
Spiders, scorpions, mites, and ticks are arachnids.
First Known Use of arachnid
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