arachnid
UK: əˈræknɪd | US: əˈræknɪd
n. any of a class (Arachnida) of arthropods comprising chiefly terrestrial invertebrates, including spiders, scorpions, mites, and ticks.
The word "arachnid" traces back to Greek aráchnē (ἀράχνη), meaning "spider," famously tied to the myth of Arachne, a mortal weaver transformed into a spider by Athena. The suffix -id (from Greek -idēs) denotes classification, forming scientific terms for animal groups. The term evolved via Latin arachnida (coined by French biologist Jean-Baptiste Lamarck) to describe the arthropod class.
Spiders and scorpions are both classified as arachnids.
The biologist studied the arachnid's unique web-spinning behavior.
Unlike insects, arachnids have eight legs and no antennae.
Many people fear arachnids, though most are harmless.
The museum displayed fossils of ancient arachnids.