chelicera definition

  • noun:
    • Either for the first pair of fanglike appendages nearby the mouth of an arachnid, including a spider, frequently changed for grasping and piercing.
    • one of many prehensile claws located on the proboscises of chelicerates (spiders and scorpions).
    • the anterior pair of mouth body organs, terminated by a pincherlike claw, in scorpions and allied Arachnida. These are typically homologous with all the falcers of spiders, and probably with the mandibles of insects.
    • among the anterior couple of appendages of a scorpion; a short, three-jointed organ closing in a prehensile claw. See cut under scorpion.
    • The corresponding organ in a spider, which terminates in a-sharp joint folding upon the preceding one such as the knife of a pocket-knife on the handle, and achieving at its extremity the orifice of a poison-gland.
    • Also in English kind chelicere.
    • either associated with the very first pair of fang-like appendages close to the lips of an arachnid; often customized for grasping and piercing

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