sipunculid

[ sahy-puhng-kyuh-lid ]
/ saɪˈpʌŋ kyə lɪd /

noun

an invertebrate of the phylum Sipuncula, comprising the peanut worms.

adjective

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. 2020