plural noun

: a probably artificial group of marine worms variously regarded as a phylum or as a class of Annelida, including Echiuroidea, Sipunculoidea, and Priapuloidea, and comprising worms that are unsegmented as adults and have coeloms and separate sexes and typically a single pair of nephridia
adjective or noun

Word History


New Latin, from Greek gephyra bridge; perhaps akin to Armenian kamurj bridge

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Dictionary Entries Near Gephyrea

Cite this Entry

“Gephyrea.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2024.

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