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sipunculid

[sahy-puhng-kyuh-lid]
noun
  1. an invertebrate of the phylum Sipuncula, comprising the peanut worms.
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adjective
  1. belonging or pertaining to the sipunculids.
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Origin of sipunculid

1885–90; originally a member of the family Sipunculidae < New Latin, equivalent to Sipuncul(us) a genus (Latin: variant of sīphunculus; see siphuncle) + -idae -id2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018