pedicellaria

noun
ped·i·cel·lar·ia | \ ˌpedəsəˈla(a)rēə \
plural pedicellariae\-rēˌē \

Definition of pedicellaria 

: any of various peculiar minute organs resembling forceps that are borne in large numbers on the external integument of sea urchins and starfish and also often on the spines of the latter and that have as their probable function keeping the body clear of small parasites and other foreign objects — compare forcipulate

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History and Etymology for pedicellaria

New Latin, from pedicellus pedicel + -aria

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occurring twice a year or every two years

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