Definition of pedicellaria in English:


Line breaks: pedi¦cel|laria
Pronunciation: /ˌpɛdɪsəˈlɛːrɪə

noun (plural pedicellariae /-rɪiː/)

  • A defensive organ like a minute pincer present in large numbers on an echinoderm.
    More 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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