plural noun
Pri·​ap·​u·​loi·​dea | \ prīˌapyəˈlȯidēə\

Definition of Priapuloidea

: a group of marine worms of obscure position that are classed as a division of Gephyrea and that somewhat resemble the Sipunculoidea from which they are distinguished by the absence of tentacles and usually by the presence of caudal gills

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History and Etymology for Priapuloidea

New Latin, from Priapulus, genus of marine worms (from priapus phallus + -ulus -ule) + -oidea

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a usually brief trip or an expedition

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