Definition of pedicellaria in English:

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Pronunciation: /ˌpɛdɪsəˈlɛːrɪə/

noun (plural pedicellariae /ˌpɛdɪsəˈlɛːrɪiː/)

A defensive organ like a minute pincer present in large numbers on an echinoderm.
Example sentences
  • Some types of pedicellariae and specialized spines of urchins contain venom used in self-defense.
  • Typically, these are tube feet, pedicellaria, and gills.
  • Accessory ossicles are the spines, spinelets, granules, and pedicellariae that occur in abundance on most asteroids.


Late 19th century: modern Latin, from Latin pediculus 'small foot' (see pedicel).

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