Arachnid Definition

ə-răknĭd
arachnids
noun
arachnids
Any of a large class (Arachnida) of chiefly terrestrial arthropods, including spiders, scorpions, mites, and ticks, typically with four pairs of legs, either lungs or tracheae, a liquid diet, no antennae, simple eyes, sensory pedipalps, and a body divided into cephalothorax and abdomen.
Webster's New World
Any of various arthropods of the class Arachnida, such as spiders, scorpions, mites, and ticks, characterized by four pairs of segmented legs and a body that is divided into two regions, the cephalothorax and the abdomen.
American Heritage Medicine

Any of the eight-legged creatures, including spiders and scorpions, of the class Arachnida.

Wiktionary
Synonyms:

Other Word Forms of Arachnid

Noun

Singular:
arachnid
Plural:
arachnids

Origin of Arachnid

  • From New Latin Arachnida class name from Greek arakhnē spider

    From American Heritage Dictionary of the English Language, 5th Edition

  • French arachnide (1809, Lamarck), from Ancient Greek ἀράχνη (arakhnē, “spider”).

    From Wiktionary

Arachnid Sentence Examples

  • In recent times the term tarantula has been applied indiscriminately to many different kinds of large spiders in no way related to Lycosa tarantula; and to at least one Arachnid belonging to a distinct order.

  • The bi-ramose structure of the post-oral limbs, demonstrated by Beecher in the trilobite Triarthrus, is no more inconsistent with its claim to be a primitive Arachnid than is the foliaceous modification of the limbs in Phyllopods inconsistent with their relationship to the Arthrostracous Crustaceans such as Gammarus and Oniscus.

  • In Queensland one of the largest local spiders, known as Holconia immanis, a member of the family Clubionidae, bears the name tarantula; and in Egypt it was a common practice of the British soldiers to put together scorpions and tarantulas, the latter in this instance being specimens of the large and formidable desert-haunting Arachnid, Galeodes lucasii, a member of the order Solifugae.

  • Arachnidism-Poisoning resulting from the bite or sting of an arachnid.

  • Accordingly the diplostichous ommatoeum or soft tissue of the Arachnid's central eye should strictly be called " triplostichous," since the deep layer is itself doubled or folded.

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Words Starting With

AARARA

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Words Starting With A and Ending With D

Starts With A & Ends With DStarts With AR & Ends With DStarts With A & Ends With ID

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8 Letter Words8 Letter Words Starting With A8 Letter Words Ending With D