Aristotle's lantern

Ar´is`to`tle's lan´tern

(Zool.) The five united jaws and accessory ossicles of certain sea urchins.

[′ar·ə‚städ·əlz ′lant·ərn] (invertebrate zoology) A five-sided feeding and locomotor apparatus surrounding the esophagus of most sea urchins.

a five-sided, globular structure supporting the mouth and jaws of sea urchins.

ThesaurusSeesea urchin

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